cc: Adding support for RGBA_4444 tile textures

cc/resources/resource_pool.h

Index: cc/resources/resource_pool.h
diff --git a/cc/resources/resource_pool.h b/cc/resources/resource_pool.h
index 771650ecdfc0a385c50310736bc434ad390303be..391adc83957a12d687257d40dedbeb258ec687f7 100644
--- a/cc/resources/resource_pool.h
+++ b/cc/resources/resource_pool.h
@@ -21,7 +21,8 @@ class CC_EXPORT ResourcePool {
    public:
     Resource(ResourceProvider* resource_provider,
              gfx::Size size,
-             GLenum format);
+             GLenum format,
+             bool use_16_bit_resource);

[epennerAtGoogle, 2013/09/05 01:54:15]

Can we avoid this boolean in favor of a real format/type? There are many
formats/types that will result in 16 bits.

[kaanb, 2013/09/06 02:05:54]

Done.

     ~Resource();
 
    private:
@@ -37,7 +38,8 @@ class CC_EXPORT ResourcePool {
   virtual ~ResourcePool();
 
   scoped_ptr<ResourcePool::Resource> AcquireResource(gfx::Size size,
-                                                     GLenum format);
+                                                     GLenum format,
+                                                     bool use_16_bit_resource);
   void ReleaseResource(scoped_ptr<ResourcePool::Resource>);
 
   void SetResourceUsageLimits(size_t max_memory_usage_bytes,