cc: Remove GL_TEXTURE_2D hard-coding

cc/resources/resource_provider.h

Index: cc/resources/resource_provider.h
diff --git a/cc/resources/resource_provider.h b/cc/resources/resource_provider.h
index 39240a10b1a5d0cf96cf9276c63423c08d7e9a71..926647aaff8cc34edfecdf84bfbc6d5409630d64 100644
--- a/cc/resources/resource_provider.h
+++ b/cc/resources/resource_provider.h
@@ -117,6 +117,7 @@ class CC_EXPORT ResourceProvider
 
   ResourceType default_resource_type() const { return default_resource_type_; }
   ResourceType GetResourceType(ResourceId id);
+  GLenum GetResourceTextureTarget(ResourceId id);
 
   // Creates a resource of the default resource type.
   ResourceId CreateResource(const gfx::Size& size,
@@ -397,8 +398,6 @@ class CC_EXPORT ResourceProvider
   // For tests only!
   void CreateForTesting(ResourceId id);
 
-  GLenum TargetForTesting(ResourceId id);
-
   // Sets the current read fence. If a resource is locked for read
   // and has read fences enabled, the resource will not allow writes
   // until this fence has passed.