[Pepper] Document the failure mode of the constructor for pp::FileRef.

Review URL: https://codereview.chromium.org/36713002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@230611 0039d316-1c4b-4281-b951-d872f2087c98
Roll DEPS for Linux reference build (30.0.1599.33 Chrome official build.)

BUG=302065

Review URL: https://codereview.chromium.org/38653002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@230612 0039d316-1c4b-4281-b951-d872f2087c98
Update .DEPS.git

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@230613 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 230612
SVN changes up to revision 230613
Fixed memory leak in icon_manager

When there is an entry in the cache and the |result| is NULL we put NULL in
the cache without deleting current entry. Also I offer to simplify logic
and to dissalow NULLs to reside in the cache. This does not affect any current
code.

BUG=

Review URL: https://codereview.chromium.org/27529002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@230614 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 230614