[Merge M54] Propagate common resources to WebView child process

[Merge M54] Propagate common resources to WebView child process

WebView uses the same resources file scheme as Chrome
since https://codereview.chromium.org/2248743002.
In case of multiprocess WebView we need to pass the common
resources pak (chrome_100_percent.pak) to the renderer process.

BUG=634358, 638344
> Review-Url: https://codereview.chromium.org/2384063005
> Cr-Commit-Position: refs/heads/master@{#422822}
(cherry picked from commit a0a347d16cb6ad810e1b2e488a3f58923769565e)

Committed: https://chromium.googlesource.com/chromium/src/+/1568079e94cbd3a8cb1f6cb0031181399c09b9fa

[Tima Vaisburd, 2016-10-04 17:11:52]

Description was changed from

==========
[Merge M54] Propagate common resources to WebView child process

WebView uses the same resources file scheme as Chrome
since https://codereview.chromium.org/2248743002.
In case of multiprocess WebView we need to pass the common
resources pak (chrome_100_percent.pak) to the renderer process.

BUG=634358, 638344

> Review-Url: https://codereview.chromium.org/2384063005
> Cr-Commit-Position: refs/heads/master@{#422822}
(cherry picked from commit a0a347d16cb6ad810e1b2e488a3f58923769565e)
==========

to

==========
[Merge M54] Propagate common resources to WebView child process

WebView uses the same resources file scheme as Chrome
since https://codereview.chromium.org/2248743002.
In case of multiprocess WebView we need to pass the common
resources pak (chrome_100_percent.pak) to the renderer process.

BUG=634358, 638344

> Review-Url: https://codereview.chromium.org/2384063005
> Cr-Commit-Position: refs/heads/master@{#422822}
(cherry picked from commit a0a347d16cb6ad810e1b2e488a3f58923769565e)

Committed:
https://chromium.googlesource.com/chromium/src/+/1568079e94cbd3a8cb1f6cb00311...
==========

[Tima Vaisburd, 2016-10-04 17:11:53]

Committed patchset #1 (id:1) manually as
1568079e94cbd3a8cb1f6cb0031181399c09b9fa.