Simplify rate limiting since it's main thread shared context only

cc/layers/texture_layer_unittest.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/layers/texture_layer.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/bind.h"
@@ skipping 33 matching lines @@
 class MockLayerTreeHost : public LayerTreeHost {
  public:
   explicit MockLayerTreeHost(LayerTreeHostClient* client)
       : LayerTreeHost(client, NULL, LayerTreeSettings()) {
     Initialize(NULL);
   }
 
   MOCK_METHOD0(AcquireLayerTextures, void());
   MOCK_METHOD0(SetNeedsCommit, void());
   MOCK_METHOD0(SetNeedsUpdateLayers, void());
-  MOCK_METHOD1(StartRateLimiter, void(WebKit::WebGraphicsContext3D* context));
-  MOCK_METHOD1(StopRateLimiter, void(WebKit::WebGraphicsContext3D* context));
+  MOCK_METHOD0(StartRateLimiter, void());
+  MOCK_METHOD0(StopRateLimiter, void());
 };
 
 class TextureLayerTest : public testing::Test {
  public:
   TextureLayerTest()
       : fake_client_(
           FakeLayerTreeHostClient(FakeLayerTreeHostClient::DIRECT_3D)),
         host_impl_(&proxy_) {}
 
  protected:
@@ skipping 205 matching lines @@
 
 TEST_F(TextureLayerTest, RateLimiter) {
   FakeTextureLayerClient client;
   scoped_refptr<TextureLayer> test_layer = TextureLayer::CreateForMailbox(
       &client);
   test_layer->SetIsDrawable(true);
   EXPECT_CALL(*layer_tree_host_, SetNeedsCommit()).Times(AnyNumber());
   layer_tree_host_->SetRootLayer(test_layer);
 
   // Don't rate limit until we invalidate.
-  EXPECT_CALL(*layer_tree_host_, StartRateLimiter(_)).Times(0);
+  EXPECT_CALL(*layer_tree_host_, StartRateLimiter()).Times(0);
   test_layer->SetRateLimitContext(true);
   Mock::VerifyAndClearExpectations(layer_tree_host_.get());
 
   // Do rate limit after we invalidate.
-  EXPECT_CALL(*layer_tree_host_, StartRateLimiter(client.Context3d()));
+  EXPECT_CALL(*layer_tree_host_, StartRateLimiter());
   test_layer->SetNeedsDisplay();
   Mock::VerifyAndClearExpectations(layer_tree_host_.get());
 
   // Stop rate limiter when we don't want it any more.
-  EXPECT_CALL(*layer_tree_host_, StopRateLimiter(client.Context3d()));
+  EXPECT_CALL(*layer_tree_host_, StopRateLimiter());
   test_layer->SetRateLimitContext(false);
   Mock::VerifyAndClearExpectations(layer_tree_host_.get());
 
   // Or we clear the client.
   test_layer->SetRateLimitContext(true);
-  EXPECT_CALL(*layer_tree_host_, StopRateLimiter(client.Context3d()));
+  EXPECT_CALL(*layer_tree_host_, StopRateLimiter());
   EXPECT_CALL(*layer_tree_host_, SetNeedsCommit()).Times(AnyNumber());
   test_layer->ClearClient();
   Mock::VerifyAndClearExpectations(layer_tree_host_.get());
 
   // Reset to a layer with a client, that started the rate limiter.
   test_layer = TextureLayer::CreateForMailbox(
       &client);
   test_layer->SetIsDrawable(true);
   test_layer->SetRateLimitContext(true);
   EXPECT_CALL(*layer_tree_host_, SetNeedsCommit()).Times(AnyNumber());
   layer_tree_host_->SetRootLayer(test_layer);
-  EXPECT_CALL(*layer_tree_host_, StartRateLimiter(_)).Times(0);
+  EXPECT_CALL(*layer_tree_host_, StartRateLimiter()).Times(0);
   Mock::VerifyAndClearExpectations(layer_tree_host_.get());
-  EXPECT_CALL(*layer_tree_host_, StartRateLimiter(client.Context3d()));
+  EXPECT_CALL(*layer_tree_host_, StartRateLimiter());
   test_layer->SetNeedsDisplay();
   Mock::VerifyAndClearExpectations(layer_tree_host_.get());
 
   // Stop rate limiter when we're removed from the tree.
-  EXPECT_CALL(*layer_tree_host_, StopRateLimiter(client.Context3d()));
+  EXPECT_CALL(*layer_tree_host_, StopRateLimiter());
   layer_tree_host_->SetRootLayer(NULL);
   Mock::VerifyAndClearExpectations(layer_tree_host_.get());
 }
 
 class MockMailboxCallback {
  public:
   MOCK_METHOD3(Release, void(const std::string& mailbox,
                              unsigned sync_point,
                              bool lost_resource));
   MOCK_METHOD3(Release2, void(base::SharedMemory* shared_memory,
@@ skipping 1855 matching lines @@
   int callback_count_;
   scoped_refptr<Layer> root_;
   scoped_refptr<TextureLayer> layer_;
 };
 
 SINGLE_AND_MULTI_THREAD_DIRECT_RENDERER_TEST_F(
     TextureLayerWithMailboxImplThreadDeleted);
 
 }  // namespace
 }  // namespace cc