Auto resize webview to fit avatar bubble

BUG=

Review URL: https://codereview.chromium.org/27551002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@229915 0039d316-1c4b-4281-b951-d872f2087c98
Add content_perftests build target with perf test for cc_messages.

Current output:

*RESULT mean_frame_serialization_time: DelegatedFrame_ManyQuads_1_4000= 107 us
*RESULT mean_frame_serialization_time: DelegatedFrame_ManyQuads_1_10000= 106 us
*RESULT mean_frame_serialization_time: DelegatedFrame_ManyQuads_4000_4000= 3354 us
*RESULT mean_frame_serialization_time: DelegatedFrame_ManyQuads_10000_10000= 8479 us

R=jamesr, piman
BUG=307480

Review URL: https://codereview.chromium.org/29773004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@229916 0039d316-1c4b-4281-b951-d872f2087c98
Plumb PlatformVerification and AudioFramesImpl (Attempt II)

Mostly just a rebase of https://codereview.chromium.org/23546014
on top of xhwang@'s CdmAdapter changes.

Also restores AudioFrames changes which seem to have been
inadvertently dropped from https://codereview.chromium.org/27774002/

BUG=270296
TEST=encrypted media browsertests.

Review URL: https://codereview.chromium.org/30163002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@229917 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 229916
Update .DEPS.git

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@229918 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 229917
SVN changes up to revision 229918