fsamuel@defiant:/usr/local/google/Projects/chromium/src$ out/oxygen/chrome --mash --user-data-dir="~/tmp/testing" 2>&1 | less=================================================================
==76929==ERROR: AddressSanitizer: odr-violation (0x7f6fad5e8020):
  [1] size=37 'blink::mojom::blink::OffscreenCanvasSurface::Name_' gen/third_party/WebKit/public/platform/modules/offscreencanvas/offscreen_canvas_surface.mojom-blink.cc:58:36
  [2] size=37 'blink::mojom::blink::OffscreenCanvasSurface::Name_' gen/third_party/WebKit/public/platform/modules/offscreencanvas/offscreen_canvas_surface.mojom-blink.cc:58:36
These globals were registered at these points:
  [1]:
    #0 0x7f6fe7d2b5b7  (/usr/local/google/Projects/chromium/src/out/oxygen/chrome+0x29505b7)
    #1 0x7f6f9e8abb0d  (/usr/local/google/Projects/chromium/src/out/oxygen/./libblink_core.so+0x70ccb0d)

  [2]:
    #0 0x7f6fe7d2b5b7  (/usr/local/google/Projects/chromium/src/out/oxygen/chrome+0x29505b7)
    #1 0x7f6fac86b15d  (/usr/local/google/Projects/chromium/src/out/oxygen/./libblink_platform.so+0x15c715d)

==76929==HINT: if you don't care about these errors you may set ASAN_OPTIONS=detect_odr_violation=0
SUMMARY: AddressSanitizer: odr-violation: global 'blink::mojom::blink::OffscreenCanvasSurface::Name_' at gen/third_party/WebKit/public/platform/modules/offscreencanvas/offscreen_canvas_surface.mojom-blink.cc:58:36