The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/369faf80b11768ebb89e48c2b7a1c4ef474b9242

commit 369faf80b11768ebb89e48c2b7a1c4ef474b9242
Author: Marijn Kruisselbrink <mek@chromium.org>
Date: Mon Oct 23 19:58:42 2017

Don't handle blob IPCs when mojo blobs are enabled.

Additionally fix WebMockClipboard to not depend on the old IPC based
blob API.

Bug:  776166 
Cq-Include-Trybots: master.tryserver.chromium.linux:linux_mojo
Change-Id: Ic40c02586551394c0d731f5bddac3f4671ded4c1
Reviewed-on: https://chromium-review.googlesource.com/731467
Reviewed-by: Kinuko Yasuda <kinuko@chromium.org>
Commit-Queue: Marijn Kruisselbrink <mek@chromium.org>
Cr-Commit-Position: refs/heads/master@{#510884}
[modify] https://crrev.com/369faf80b11768ebb89e48c2b7a1c4ef474b9242/content/browser/blob_storage/blob_dispatcher_host.cc
[modify] https://crrev.com/369faf80b11768ebb89e48c2b7a1c4ef474b9242/content/test/mock_webclipboard_impl.cc
[modify] https://crrev.com/369faf80b11768ebb89e48c2b7a1c4ef474b9242/third_party/WebKit/Source/platform/BUILD.gn
[add] https://crrev.com/369faf80b11768ebb89e48c2b7a1c4ef474b9242/third_party/WebKit/Source/platform/exported/WebMockClipboard.cpp
[modify] https://crrev.com/369faf80b11768ebb89e48c2b7a1c4ef474b9242/third_party/WebKit/public/platform/DEPS
[modify] https://crrev.com/369faf80b11768ebb89e48c2b7a1c4ef474b9242/third_party/WebKit/public/platform/WebMockClipboard.h

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/df51989616e170eef04e72779d0d7e5c3ee5980a

commit df51989616e170eef04e72779d0d7e5c3ee5980a
Author: Marijn Kruisselbrink <mek@chromium.org>
Date: Thu Oct 26 19:52:57 2017

Turn mojo blobs on by default.

This makes the mojo code path for creating blobs the default. Blob
URL creation/revocation is still done over IPC, as migrating that has
its own set of issues. At least this starts paving the way towards
getting rid of old codepaths.

Also forces mojo blobs off for blob_dispatcher_host_unittest (since it
only tests the old IPC blob interface anyway), and updates some cache
storage unit tests to work with mojo blobs enabled.

Bug: 611935,  776166 ,  351753 
Change-Id: Icff60abaadfca04a0db99269ad1abb9d7cc3ee77
Reviewed-on: https://chromium-review.googlesource.com/734304
Commit-Queue: Marijn Kruisselbrink <mek@chromium.org>
Reviewed-by: John Abd-El-Malek <jam@chromium.org>
Reviewed-by: Daniel Murphy <dmurph@chromium.org>
Reviewed-by: Kinuko Yasuda <kinuko@chromium.org>
Cr-Commit-Position: refs/heads/master@{#511929}
[modify] https://crrev.com/df51989616e170eef04e72779d0d7e5c3ee5980a/content/browser/blob_storage/blob_dispatcher_host_unittest.cc
[modify] https://crrev.com/df51989616e170eef04e72779d0d7e5c3ee5980a/content/browser/cache_storage/cache_storage_cache_unittest.cc
[modify] https://crrev.com/df51989616e170eef04e72779d0d7e5c3ee5980a/content/browser/cache_storage/cache_storage_manager_unittest.cc
[modify] https://crrev.com/df51989616e170eef04e72779d0d7e5c3ee5980a/content/public/common/content_features.cc
[modify] https://crrev.com/df51989616e170eef04e72779d0d7e5c3ee5980a/third_party/WebKit/LayoutTests/TestExpectations
[modify] https://crrev.com/df51989616e170eef04e72779d0d7e5c3ee5980a/third_party/WebKit/LayoutTests/VirtualTestSuites

Apologies, applied the wrong component in bulk.

Setting Internals>Services>Storage to all children of issue 611935