Temporary change in RenderViewImpl while showContextMenu moves to WebFrameClient.

See the build errors in patchset 2 of https://codereview.chromium.org/183693004/ for more information.

BUG=304341
R=brettw@chromium.org, creis@chromium.org

Review URL: https://codereview.chromium.org/177193004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@254152 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 254152
Android: force device scale factor if the flag is set.

BUG=

Review URL: https://codereview.chromium.org/183343003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@254155 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 254155