Switch plugin creation to use RenderFrame instead of RenderView

BUG=245126
R=bauerb@chromium.org, nasko@chromium.org

Review URL: https://codereview.chromium.org/104973002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@238799 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 238799
WebGL conformance test expectations update.

BUG=325884
TEST=gpu linux bots
TBR=kbr@chromium.org,bajones@chromium.org

Review URL: https://codereview.chromium.org/105653002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@238800 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 238800