cc: Remove the ability to specify a GL texture target

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 25cb3c1d2a8fd1fd9d93fb42db98c619916a393d..1a24ef572a54e22c4bd76aaa0c8f589eca7d6b3c 100644
--- a/cc/resources/resource_pool.cc
+++ b/cc/resources/resource_pool.cc
@@ -55,9 +55,9 @@ void ResourcePool::PoolResource::OnMemoryDump(
 
 ResourcePool::ResourcePool(ResourceProvider* resource_provider,
                            base::SingleThreadTaskRunner* task_runner,
-                           GLenum target)
+                           bool use_image_texture_target)
     : resource_provider_(resource_provider),
-      target_(target),
+      use_image_texture_target_(use_image_texture_target),
       max_memory_usage_bytes_(0),
       max_resource_count_(0),
       in_use_memory_usage_bytes_(0),
@@ -110,9 +110,13 @@ Resource* ResourcePool::AcquireResource(const gfx::Size& size,
 
   scoped_ptr<PoolResource> pool_resource =
       PoolResource::Create(resource_provider_);
-  GLenum target =
-      target_ ? target_ : resource_provider_->GetImageTextureTarget(format);
-  pool_resource->AllocateWithTextureTarget(size, target, format);
+
+  if (use_image_texture_target_) {
+    pool_resource->AllocateWithImageTextureTarget(size, format);
+  } else {
+    pool_resource->Allocate(size, ResourceProvider::TEXTURE_HINT_IMMUTABLE,
+                            format);
+  }
 
   DCHECK(ResourceUtil::VerifySizeInBytes<size_t>(pool_resource->size(),
                                                  pool_resource->format()));