cc: Split Proxy and TaskRunnerProvider for the LayerTreeHost

cc/trees/threaded_channel_unittest.cc

 // Copyright 2014 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/threaded_channel.h"
 
 #include "cc/test/layer_tree_test.h"
 #include "cc/trees/single_thread_proxy.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 12 matching lines @@
     BeginChannelTest();
   };
   virtual void BeginChannelTest() {}
 
   void PostOnImplThread() {
     ImplThreadTaskRunner()->PostTask(
         FROM_HERE, base::Bind(&ThreadedChannelTest::StartTestOnImplThread,
                               base::Unretained(this)));
   }
 
-  virtual void StartTestOnImplThread() { DCHECK(proxy()->IsImplThread()); }
+  virtual void StartTestOnImplThread() {
+    DCHECK(task_runner_provider()->IsImplThread());
+  }
 
   void AfterTest() override {}
 
   // TODO(khushalsagar): Remove this once ProxyImpl is added to the
   // LayerTreeTest.
   ThreadProxy* thread_proxy_;
   int calls_received_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ThreadedChannelTest);
@@ skipping 261 matching lines @@
     calls_received_++;
     EndTest();
   }
 
   void AfterTest() override { EXPECT_EQ(1, calls_received_); }
 };
 
 MULTI_THREAD_DIRECT_RENDERER_TEST_F(ThreadedChannelTestPageScaleAnimation);
 
 }  // namespace cc