cc: Adding support for RGBA_4444 tile textures

cc/layers/heads_up_display_layer_impl.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/layers/heads_up_display_layer_impl.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/strings/stringprintf.h"
@@ skipping 76 matching lines @@
   if (!hud_resource_)
     hud_resource_ = ScopedResource::create(resource_provider);
 
   // TODO(danakj): The HUD could swap between two textures instead of creating a
   // texture every frame in ubercompositor.
   if (hud_resource_->size() != content_bounds() ||
       resource_provider->InUseByConsumer(hud_resource_->id()))
     hud_resource_->Free();
 
   if (!hud_resource_->id()) {
-    hud_resource_->Allocate(
-        content_bounds(), GL_RGBA, ResourceProvider::TextureUsageAny);
+    hud_resource_->Allocate(content_bounds(),
+                            ResourceProvider::TextureUsageAny,
+                            RGBA_8888);
   }
 
   return LayerImpl::WillDraw(draw_mode, resource_provider);
 }
 
 void HeadsUpDisplayLayerImpl::AppendQuads(QuadSink* quad_sink,
                                           AppendQuadsData* append_quads_data) {
   if (!hud_resource_->id())
     return;
 
@@ skipping 578 matching lines @@
       canvas->restore();
     }
   }
 }
 
 const char* HeadsUpDisplayLayerImpl::LayerTypeAsString() const {
   return "cc::HeadsUpDisplayLayerImpl";
 }
 
 }  // namespace cc