Revert of ui: Move GLImage::BindTexImage fallback from GLImage implementations to GLES2CmdDecoder.

ui/gl/gl_image_surface_texture.cc

Index: ui/gl/gl_image_surface_texture.cc
diff --git a/ui/gl/gl_image_surface_texture.cc b/ui/gl/gl_image_surface_texture.cc
index 6ad3667221be59e72f0395bf4a6143e963f6653e..910551da3a40ecb63239bfa5689c3fb72079661d 100644
--- a/ui/gl/gl_image_surface_texture.cc
+++ b/ui/gl/gl_image_surface_texture.cc
@@ -9,8 +9,9 @@
 
 namespace gfx {
 
-GLImageSurfaceTexture::GLImageSurfaceTexture(const Size& size)
-    : size_(size), texture_id_(0) {}
+GLImageSurfaceTexture::GLImageSurfaceTexture(const gfx::Size& size)
+    : size_(size), texture_id_(0) {
+}
 
 GLImageSurfaceTexture::~GLImageSurfaceTexture() {
   DCHECK(thread_checker_.CalledOnValidThread());
@@ -31,9 +32,7 @@
   texture_id_ = 0;
 }
 
-Size GLImageSurfaceTexture::GetSize() {
-  return size_;
-}
+gfx::Size GLImageSurfaceTexture::GetSize() { return size_; }
 
 unsigned GLImageSurfaceTexture::GetInternalFormat() { return GL_RGBA; }
 
@@ -79,17 +78,13 @@
   return true;
 }
 
-bool GLImageSurfaceTexture::CopyTexImage(unsigned target) {
-  return false;
-}
-
 bool GLImageSurfaceTexture::CopyTexSubImage(unsigned target,
                                             const Point& offset,
                                             const Rect& rect) {
   return false;
 }
 
-bool GLImageSurfaceTexture::ScheduleOverlayPlane(AcceleratedWidget widget,
+bool GLImageSurfaceTexture::ScheduleOverlayPlane(gfx::AcceleratedWidget widget,
                                                  int z_order,
                                                  OverlayTransform transform,
                                                  const Rect& bounds_rect,