Remove WebContentsDelegate::ExecuteContextMenuCommand since it's not called by content. Since it's only used for ChromeFrame, move it to the ExternalTabContainer interface instead.

Also remove WebContentsDelegate::GetFrameNativeWindow which isn't used.
Review URL: https://codereview.chromium.org/10987047

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@158861 0039d316-1c4b-4281-b951-d872f2087c98
6 files changed