cc: Adding support for RGBA_4444 tile textures

cc/resources/resource_pool.cc

Index: cc/resources/resource_pool.cc
diff --git a/cc/resources/resource_pool.cc b/cc/resources/resource_pool.cc
index afcc114a96342b73fe27b49c4f4a3e5f4f5325f1..940a8b0ab92ef0aa69e4d094c3077a638228677e 100644
--- a/cc/resources/resource_pool.cc
+++ b/cc/resources/resource_pool.cc
@@ -10,13 +10,15 @@ namespace cc {
 
 ResourcePool::Resource::Resource(cc::ResourceProvider* resource_provider,
                                  gfx::Size size,
-                                 GLenum format)
+                                 GLenum format,
+                                 bool use_16_bit_resource)
     : cc::Resource(resource_provider->CreateManagedResource(
                        size,
                        format,
                        ResourceProvider::TextureUsageAny),
                    size,
-                   format),
+                   format,
+                   use_16_bit_resource),
       resource_provider_(resource_provider) {
   DCHECK(id());
 }
@@ -42,7 +44,7 @@ ResourcePool::~ResourcePool() {
 }
 
 scoped_ptr<ResourcePool::Resource> ResourcePool::AcquireResource(
-    gfx::Size size, GLenum format) {
+    gfx::Size size, GLenum format, bool use_16_bit_resource) {
   for (ResourceList::iterator it = unused_resources_.begin();
        it != unused_resources_.end(); ++it) {
     Resource* resource = *it;
@@ -60,7 +62,8 @@ scoped_ptr<ResourcePool::Resource> ResourcePool::AcquireResource(
   }
 
   // Create new resource.
-  Resource* resource = new Resource(resource_provider_, size, format);
+  Resource* resource = new Resource(
+      resource_provider_, size, format, use_16_bit_resource);
 
   // Extend all read locks on all resources until the resource is
   // finished being used, such that we know when resources are