cc: Use a normal texture for background texture.

cc/resources/raster_worker_pool_perftest.cc

 // Copyright 2013 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/resources/raster_worker_pool.h"
 
 #include "base/test/test_simple_task_runner.h"
 #include "base/time/time.h"
 #include "cc/debug/lap_timer.h"
 #include "cc/output/context_provider.h"
@@ skipping 162 matching lines @@
   }
 
   void CreateRasterTasks(unsigned num_raster_tasks,
                          const ImageDecodeTask::Vector& image_decode_tasks,
                          RasterTaskVector* raster_tasks) {
     const gfx::Size size(1, 1);
 
     for (unsigned i = 0; i < num_raster_tasks; ++i) {
       scoped_ptr<ScopedResource> resource(
           ScopedResource::Create(resource_provider_.get()));
-      resource->Allocate(size, ResourceProvider::TextureUsageAny, RGBA_8888);
+      resource->Allocate(
+          size, ResourceProvider::TextureHintImmutable, RGBA_8888);
 
       ImageDecodeTask::Vector dependencies = image_decode_tasks;
       raster_tasks->push_back(
           new PerfRasterTaskImpl(resource.Pass(), &dependencies));
     }
   }
 
   void BuildRasterTaskQueue(RasterTaskQueue* queue,
                             const RasterTaskVector& raster_tasks) {
     for (size_t i = 0u; i < raster_tasks.size(); ++i) {
@@ skipping 267 matching lines @@
   RunBuildRasterTaskQueueTest("1_0", 1, 0);
   RunBuildRasterTaskQueueTest("32_0", 32, 0);
   RunBuildRasterTaskQueueTest("1_1", 1, 1);
   RunBuildRasterTaskQueueTest("32_1", 32, 1);
   RunBuildRasterTaskQueueTest("1_4", 1, 4);
   RunBuildRasterTaskQueueTest("32_4", 32, 4);
 }
 
 }  // namespace
 }  // namespace cc