cc: Made use color estimator a const instead of a flag.

cc/test/fake_tile_manager.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/test/fake_tile_manager.h"
 
 #include "cc/resources/raster_worker_pool.h"
 
 namespace cc {
 
 namespace {
 
 class FakeRasterWorkerPool : public RasterWorkerPool {
  public:
   FakeRasterWorkerPool() : RasterWorkerPool(NULL, 1) {}
 
   virtual void ScheduleTasks(RasterTask::Queue* queue) OVERRIDE {}
 };
 
 }  // namespace
 
 FakeTileManager::FakeTileManager(TileManagerClient* client)
     : TileManager(client,
                   NULL,
                   make_scoped_ptr<RasterWorkerPool>(new FakeRasterWorkerPool),
                   1,
-                  false,
                   NULL,
                   GL_RGBA) {}
 
 FakeTileManager::FakeTileManager(TileManagerClient* client,
                                  ResourceProvider* resource_provider)
     : TileManager(client,
                   resource_provider,
                   make_scoped_ptr<RasterWorkerPool>(new FakeRasterWorkerPool),
                   1,
-                  false,
                   NULL,
                   resource_provider->best_texture_format()) {}
-}
+}  // namespace cc