cc: Use a normal texture for background texture.

cc/trees/layer_tree_host_unittest_context.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/trees/layer_tree_host.h"
 
 #include "base/basictypes.h"
 #include "cc/layers/content_layer.h"
 #include "cc/layers/delegated_frame_provider.h"
 #include "cc/layers/delegated_frame_resource_collection.h"
@@ skipping 706 matching lines @@
     frame_data->render_pass_list.push_back(pass.PassAs<RenderPass>());
 
     delegated_resource_collection_ = new DelegatedFrameResourceCollection;
     delegated_frame_provider_ = new DelegatedFrameProvider(
         delegated_resource_collection_.get(), frame_data.Pass());
 
     ResourceProvider::ResourceId resource =
         child_resource_provider_->CreateResource(
             gfx::Size(4, 4),
             GL_CLAMP_TO_EDGE,
-            ResourceProvider::TextureUsageAny,
+            ResourceProvider::TextureHintImmutable,
             RGBA_8888);
     ResourceProvider::ScopedWriteLockGL lock(child_resource_provider_.get(),
                                              resource);
 
     gpu::Mailbox mailbox;
     gl->GenMailboxCHROMIUM(mailbox.name);
     GLuint sync_point = gl->InsertSyncPointCHROMIUM();
 
     scoped_refptr<Layer> root = Layer::Create();
     root->SetBounds(gfx::Size(10, 10));
@@ skipping 797 matching lines @@
   virtual void AfterTest() OVERRIDE {}
 
   bool deferred_;
 };
 
 // TODO(danakj): We don't use scheduler with SingleThreadProxy yet.
 MULTI_THREAD_TEST_F(LayerTreeHostContextTestLoseAfterSendingBeginMainFrame);
 
 }  // namespace
 }  // namespace cc