The Skia autoroll at Chromium 05d4aefdecea (to Skia 46b654df9e70) broke compilation on Linux ChromiumOS builder and was reverted at Chromium 2c2e56f561ef.

https://build.chromium.org/p/chromium.chromiumos/builders/Linux%20ChromiumOS%20Builder%20%28dbg%29/builds/89457

(some errors reproduced below)

Per https://www.chromium.org/developers/tree-sheriffs/sheriff-details-chromium#TOC-Failures-due-to-DEPS-rolls:

Stopped the Skia autoroll.
Reverted the change.
Filed this bug and assigned to the Skia sheriff.

/b/c/goma_client/gomacc ../../third_party/llvm-build/Release+Asserts/bin/clang++ -MMD -MF obj/skia/skia/SkSLHCodeGenerator.o.d -DV8_DEPRECATION_WARNINGS -DUSE_UDEV -DUSE_ASH=1 -DUSE_AURA=1 -DUSE_PANGO=1 -DUSE_CAIRO=1 -DUSE_GLIB=1 -DUSE_NSS_CERTS=1 -DUSE_X11=1 -DFULL_SAFE_BROWSING -DSAFE_BROWSING_CSD -DSAFE_BROWSING_DB_LOCAL -DCHROMIUM_BUILD -DFIELDTRIAL_TESTING_ENABLED -DCR_CLANG_REVISION=\"305735-3\" -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -DCOMPONENT_BUILD -DOS_CHROMEOS -D_DEBUG -DDYNAMIC_ANNOTATIONS_ENABLED=1 -DWTF_USE_DYNAMIC_ANNOTATIONS=1 -D_GLIBCXX_DEBUG=1 -DSK_IGNORE_LINEONLY_AA_CONVEX_PATH_OPTS -DSK_HAS_PNG_LIBRARY -DSK_HAS_WEBP_LIBRARY -DSK_HAS_JPEG_LIBRARY -DSKIA_DLL -DGR_GL_IGNORE_ES3_MSAA=0 -DSK_SUPPORT_GPU=1 -DSK_FREETYPE_MINIMUM_RUNTIME_VERSION=\(\(\(FREETYPE_MAJOR\)\ \*\ 0x01000000\)\ \|\ \(\(FREETYPE_MINOR\)\ \*\ 0x00010000\)\ \|\ \(\(FREETYPE_PATCH\)\ \*\ 0x00000100\)\) -DSKIA_IMPLEMENTATION=1 -DSK_GAMMA_EXPONENT=1.2 -DSK_GAMMA_CONTRAST=0.2 -DSK_DEFAULT_FONT_CACHE_LIMIT=20971520 -DGLIB_VERSION_MAX_ALLOWED=GLIB_VERSION_2_32 -DGLIB_VERSION_MIN_REQUIRED=GLIB_VERSION_2_26 -DUSE_LIBJPEG_TURBO=1 -DU_USING_ICU_NAMESPACE=0 -DU_ENABLE_DYLOAD=0 -DICU_UTIL_DATA_IMPL=ICU_UTIL_DATA_FILE -DUCHAR_TYPE=uint16_t -I../.. -Igen -I../../skia/config -I../../skia/ext -I../../third_party/skia/include/c -I../../third_party/skia/include/config -I../../third_party/skia/include/core -I../../third_party/skia/include/effects -I../../third_party/skia/include/encode -I../../third_party/skia/include/images -I../../third_party/skia/include/lazy -I../../third_party/skia/include/pathops -I../../third_party/skia/include/pdf -I../../third_party/skia/include/pipe -I../../third_party/skia/include/ports -I../../third_party/skia/include/utils -I../../third_party/skia/third_party/vulkan -I../../third_party/skia/include/gpu -I../../third_party/skia/src/gpu -I../../third_party/skia/src/sksl -I../../third_party/skia/include/private -I../../third_party/skia/include/client/android -I../../third_party/skia/src/codec -I../../third_party/skia/src/core -I../../third_party/skia/src/image -I../../third_party/skia/src/images -I../../third_party/skia/src/opts -I../../third_party/skia/src/pdf -I../../third_party/skia/src/ports -I../../third_party/skia/src/shaders -I../../third_party/skia/src/shaders/gradients -I../../third_party/skia/src/sfnt -I../../third_party/skia/src/utils -I../../third_party/skia/src/lazy -I../../third_party/skia/src/effects/gradients -I../../third_party/libpng -I../../build/linux/debian_jessie_amd64-sysroot/usr/include/pango-1.0 -I../../build/linux/debian_jessie_amd64-sysroot/usr/include/cairo -I../../build/linux/debian_jessie_amd64-sysroot/usr/include/glib-2.0 -I../../build/linux/debian_jessie_amd64-sysroot/usr/lib/x86_64-linux-gnu/glib-2.0/include -I../../build/linux/debian_jessie_amd64-sysroot/usr/include/pixman-1 -I../../build/linux/debian_jessie_amd64-sysroot/usr/include/libpng12 -I../../build/linux/debian_jessie_amd64-sysroot/usr/include/glib-2.0 -I../../build/linux/debian_jessie_amd64-sysroot/usr/lib/x86_64-linux-gnu/glib-2.0/include -I../../third_party/libwebp/src -I../../third_party/freetype/include -I../../third_party/freetype/src/include -I../../third_party/libjpeg_turbo -I../../third_party/zlib -I../../third_party/icu/source/common -I../../third_party/icu/source/i18n -I../../third_party/sfntly/src/cpp/src -fno-strict-aliasing -Wno-builtin-macro-redefined -D__DATE__= -D__TIME__= -D__TIMESTAMP__= -funwind-tables -fPIC -pipe -B../../third_party/binutils/Linux_x64/Release/bin -pthread -fcolor-diagnostics -fdebug-prefix-map=/b/c/b/linux_chromeos/src=. -m64 -march=x86-64 -O0 -fno-omit-frame-pointer -g2 -gsplit-dwarf --sysroot=../../build/linux/debian_jessie_amd64-sysroot -fvisibility=hidden -Xclang -load -Xclang ../../third_party/llvm-build/Release+Asserts/lib/libFindBadConstructs.so -Xclang -add-plugin -Xclang find-bad-constructs -Xclang -plugin-arg-find-bad-constructs -Xclang check-auto-raw-pointer -Xclang -plugin-arg-find-bad-constructs -Xclang check-ipc -Werror -Wall -Wno-unused-variable -Wno-missing-field-initializers -Wno-unused-parameter -Wno-c++11-narrowing -Wno-covered-switch-default -Wno-unneeded-internal-declaration -Wno-inconsistent-missing-override -Wno-undefined-var-template -Wno-nonportable-include-path -Wno-address-of-packed-member -Wno-unused-lambda-capture -Wno-user-defined-warnings -Wno-undefined-bool-conversion -Wno-tautological-undefined-compare -std=gnu++11 -fno-rtti -fno-exceptions -fvisibility-inlines-hidden -c ../../third_party/skia/src/sksl/SkSLHCodeGenerator.cpp -o obj/skia/skia/SkSLHCodeGenerator.o
In file included from ../../third_party/skia/src/sksl/SkSLHCodeGenerator.cpp:8:
In file included from ../../third_party/skia/src/sksl/SkSLHCodeGenerator.h:12:
../../third_party/skia/src/sksl/SkSLSectionAndParameterHelper.h:97:20: error: chosen constructor is explicit in copy-initialization
            return { };
                   ^~~
../../build/linux/debian_jessie_amd64-sysroot/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/debug/vector:79:7: note: explicit constructor declared here
      vector(const _Allocator& __a = _Allocator())
      ^
1 error generated.
[2036/17371] CXX obj/skia/skia/SkSLCPPCodeGenerator.o
FAILED: obj/skia/skia/SkSLCPPCodeGenerator.o 
/b/c/goma_client/gomacc ../../third_party/llvm-build/Release+Asserts/bin/clang++ -MMD -MF obj/skia/skia/SkSLCPPCodeGenerator.o.d -DV8_DEPRECATION_WARNINGS -DUSE_UDEV -DUSE_ASH=1 -DUSE_AURA=1 -DUSE_PANGO=1 -DUSE_CAIRO=1 -DUSE_GLIB=1 -DUSE_NSS_CERTS=1 -DUSE_X11=1 -DFULL_SAFE_BROWSING -DSAFE_BROWSING_CSD -DSAFE_BROWSING_DB_LOCAL -DCHROMIUM_BUILD -DFIELDTRIAL_TESTING_ENABLED -DCR_CLANG_REVISION=\"305735-3\" -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -DCOMPONENT_BUILD -DOS_CHROMEOS -D_DEBUG -DDYNAMIC_ANNOTATIONS_ENABLED=1 -DWTF_USE_DYNAMIC_ANNOTATIONS=1 -D_GLIBCXX_DEBUG=1 -DSK_IGNORE_LINEONLY_AA_CONVEX_PATH_OPTS -DSK_HAS_PNG_LIBRARY -DSK_HAS_WEBP_LIBRARY -DSK_HAS_JPEG_LIBRARY -DSKIA_DLL -DGR_GL_IGNORE_ES3_MSAA=0 -DSK_SUPPORT_GPU=1 -DSK_FREETYPE_MINIMUM_RUNTIME_VERSION=\(\(\(FREETYPE_MAJOR\)\ \*\ 0x01000000\)\ \|\ \(\(FREETYPE_MINOR\)\ \*\ 0x00010000\)\ \|\ \(\(FREETYPE_PATCH\)\ \*\ 0x00000100\)\) -DSKIA_IMPLEMENTATION=1 -DSK_GAMMA_EXPONENT=1.2 -DSK_GAMMA_CONTRAST=0.2 -DSK_DEFAULT_FONT_CACHE_LIMIT=20971520 -DGLIB_VERSION_MAX_ALLOWED=GLIB_VERSION_2_32 -DGLIB_VERSION_MIN_REQUIRED=GLIB_VERSION_2_26 -DUSE_LIBJPEG_TURBO=1 -DU_USING_ICU_NAMESPACE=0 -DU_ENABLE_DYLOAD=0 -DICU_UTIL_DATA_IMPL=ICU_UTIL_DATA_FILE -DUCHAR_TYPE=uint16_t -I../.. -Igen -I../../skia/config -I../../skia/ext -I../../third_party/skia/include/c -I../../third_party/skia/include/config -I../../third_party/skia/include/core -I../../third_party/skia/include/effects -I../../third_party/skia/include/encode -I../../third_party/skia/include/images -I../../third_party/skia/include/lazy -I../../third_party/skia/include/pathops -I../../third_party/skia/include/pdf -I../../third_party/skia/include/pipe -I../../third_party/skia/include/ports -I../../third_party/skia/include/utils -I../../third_party/skia/third_party/vulkan -I../../third_party/skia/include/gpu -I../../third_party/skia/src/gpu -I../../third_party/skia/src/sksl -I../../third_party/skia/include/private -I../../third_party/skia/include/client/android -I../../third_party/skia/src/codec -I../../third_party/skia/src/core -I../../third_party/skia/src/image -I../../third_party/skia/src/images -I../../third_party/skia/src/opts -I../../third_party/skia/src/pdf -I../../third_party/skia/src/ports -I../../third_party/skia/src/shaders -I../../third_party/skia/src/shaders/gradients -I../../third_party/skia/src/sfnt -I../../third_party/skia/src/utils -I../../third_party/skia/src/lazy -I../../third_party/skia/src/effects/gradients -I../../third_party/libpng -I../../build/linux/debian_jessie_amd64-sysroot/usr/include/pango-1.0 -I../../build/linux/debian_jessie_amd64-sysroot/usr/include/cairo -I../../build/linux/debian_jessie_amd64-sysroot/usr/include/glib-2.0 -I../../build/linux/debian_jessie_amd64-sysroot/usr/lib/x86_64-linux-gnu/glib-2.0/include -I../../build/linux/debian_jessie_amd64-sysroot/usr/include/pixman-1 -I../../build/linux/debian_jessie_amd64-sysroot/usr/include/libpng12 -I../../build/linux/debian_jessie_amd64-sysroot/usr/include/glib-2.0 -I../../build/linux/debian_jessie_amd64-sysroot/usr/lib/x86_64-linux-gnu/glib-2.0/include -I../../third_party/libwebp/src -I../../third_party/freetype/include -I../../third_party/freetype/src/include -I../../third_party/libjpeg_turbo -I../../third_party/zlib -I../../third_party/icu/source/common -I../../third_party/icu/source/i18n -I../../third_party/sfntly/src/cpp/src -fno-strict-aliasing -Wno-builtin-macro-redefined -D__DATE__= -D__TIME__= -D__TIMESTAMP__= -funwind-tables -fPIC -pipe -B../../third_party/binutils/Linux_x64/Release/bin -pthread -fcolor-diagnostics -fdebug-prefix-map=/b/c/b/linux_chromeos/src=. -m64 -march=x86-64 -O0 -fno-omit-frame-pointer -g2 -gsplit-dwarf --sysroot=../../build/linux/debian_jessie_amd64-sysroot -fvisibility=hidden -Xclang -load -Xclang ../../third_party/llvm-build/Release+Asserts/lib/libFindBadConstructs.so -Xclang -add-plugin -Xclang find-bad-constructs -Xclang -plugin-arg-find-bad-constructs -Xclang check-auto-raw-pointer -Xclang -plugin-arg-find-bad-constructs -Xclang check-ipc -Werror -Wall -Wno-unused-variable -Wno-missing-field-initializers -Wno-unused-parameter -Wno-c++11-narrowing -Wno-covered-switch-default -Wno-unneeded-internal-declaration -Wno-inconsistent-missing-override -Wno-undefined-var-template -Wno-nonportable-include-path -Wno-address-of-packed-member -Wno-unused-lambda-capture -Wno-user-defined-warnings -Wno-undefined-bool-conversion -Wno-tautological-undefined-compare -std=gnu++11 -fno-rtti -fno-exceptions -fvisibility-inlines-hidden -c ../../third_party/skia/src/sksl/SkSLCPPCodeGenerator.cpp -o obj/skia/skia/SkSLCPPCodeGenerator.o
In file included from ../../third_party/skia/src/sksl/SkSLCPPCodeGenerator.cpp:8:
In file included from ../../third_party/skia/src/sksl/SkSLCPPCodeGenerator.h:12:
../../third_party/skia/src/sksl/SkSLSectionAndParameterHelper.h:97:20: error: chosen constructor is explicit in copy-initialization
            return { };
                   ^~~
../../build/linux/debian_jessie_amd64-sysroot/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/debug/vector:79:7: note: explicit constructor declared here
      vector(const _Allocator& __a = _Allocator())
      ^
1 error generated.