Hook up postMessages to WebRemoteFrameClient

Hook up postMessages to WebRemoteFrameClient

WebRemoteFrameClient only inherits from WebFrameClient as a temporary measure, separate them.

willCheckAndDispatchMessageEvent() is used to give the embedder a chance to postMessage() externally. Move it from FrameLoaderClient to FrameClient and implement it in RemoteFrame and WebRemoteFrameImpl.

This is step 3 of 3 in getting WebRemoteFrameClient up and running.


BUG=411066
Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=181932

[Nate Chapin, 2014-09-09 23:35:44]

japhet@chromium.org changed reviewers:
+ abarth@chromium.org, nasko@chromium.org

[abarth-chromium, 2014-09-11 20:36:50]

The CQ bit was checked by abarth@chromium.org

[abarth-chromium, 2014-09-11 20:36:51]

lgtm

[abarth-chromium, 2014-09-11 20:37:07]

Can we unit test this feature?

[commit-bot: I haz the power, 2014-09-11 20:37:25]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patchset/543913002/40001

[commit-bot: I haz the power, 2014-09-11 20:54:53]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2014-09-11 20:54:54]

Try jobs failed on following builders:
  android_chromium_gn_compile_rel on tryserver.blink
(http://build.chromium.org/p/tryserver.blink/builders/android_chromium_gn_comp...)

[abarth-chromium, 2014-09-12 19:45:39]

LGTM

[Nate Chapin, 2014-09-12 19:48:16]

The CQ bit was checked by japhet@chromium.org

[commit-bot: I haz the power, 2014-09-12 19:49:00]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patchset/543913002/60001

[commit-bot: I haz the power, 2014-09-12 21:08:09]

Committed patchset #4 (id:60001) as 181932