Removes usage of RenderViewHost from AutofillManager.

BUG=302510

Review URL: https://codereview.chromium.org/98683003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@239851 0039d316-1c4b-4281-b951-d872f2087c98
Media Galleries API Metadata: Extension function stub.

This is just the stub implementation of the extension function. It currently just sniffs and returns the mime-type.

The next step after that is to commit the SafeMediaMetadataParser which handles communication with the utility process.

BUG=318450

Review URL: https://codereview.chromium.org/102133005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@239852 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 239851
SVN changes up to revision 239852
[SiteChip] Fix trimming on stroked background images.

R=oshima@chromium.org
BUG=317741

Review URL: https://codereview.chromium.org/103333003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@239853 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 239853