Add a new parameter dest_type to the GL_CHROMIUM_copy_texture extension.
It is used to define the destination texture if needed, which is possible
for texImage2D(..., canvas) and texImage2D(..., video) in WebGL.

BUG=

Review URL: https://chromiumcodereview.appspot.com/13613006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@195269 0039d316-1c4b-4281-b951-d872f2087c98
24 files changed