cc: Adding support for RGBA_4444 tile textures

cc/test/tiled_layer_test_common.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/test/tiled_layer_test_common.h"
 
 namespace cc {
 
 FakeLayerUpdater::Resource::Resource(FakeLayerUpdater* layer,
                                      scoped_ptr<PrioritizedResource> texture)
@@ skipping 53 matching lines @@
 FakeTiledLayerImpl::FakeTiledLayerImpl(LayerTreeImpl* tree_impl, int id)
     : TiledLayerImpl(tree_impl, id) {}
 
 FakeTiledLayerImpl::~FakeTiledLayerImpl() {}
 
 FakeTiledLayer::FakeTiledLayer(PrioritizedResourceManager* resource_manager)
     : TiledLayer(),
       fake_updater_(make_scoped_refptr(new FakeLayerUpdater)),
       resource_manager_(resource_manager) {
   SetTileSize(tile_size());
-  SetTextureFormat(GL_RGBA);
+  SetTextureFormat(RGBA_8888);
   SetBorderTexelOption(LayerTilingData::NO_BORDER_TEXELS);
   // So that we don't get false positives if any of these
   // tests expect to return false from DrawsContent() for other reasons.
   SetIsDrawable(true);
 }
 
 FakeTiledLayerWithScaledBounds::FakeTiledLayerWithScaledBounds(
     PrioritizedResourceManager* resource_manager)
     : FakeTiledLayer(resource_manager) {}
 
@@ skipping 77 matching lines @@
     float* contents_scale_y,
     gfx::Size* content_bounds) {
   *contents_scale_x =
       static_cast<float>(forced_content_bounds_.width()) / bounds().width();
   *contents_scale_y =
       static_cast<float>(forced_content_bounds_.height()) / bounds().height();
   *content_bounds = forced_content_bounds_;
 }
 
 }  // namespace cc