Fix cpplint errors in cc/(animation|input|layers|trees|test)/

cc/trees/tree_synchronizer_unittest.cc

 // Copyright 2011 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/tree_synchronizer.h"
 
 #include <algorithm>
+#include <vector>
 
 #include "cc/animation/layer_animation_controller.h"
 #include "cc/layers/layer.h"
 #include "cc/layers/layer_impl.h"
 #include "cc/test/animation_test_common.h"
 #include "cc/test/fake_impl_proxy.h"
 #include "cc/test/fake_layer_tree_host_impl.h"
 #include "cc/trees/proxy.h"
 #include "cc/trees/single_thread_proxy.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 37 matching lines @@
   }
 
   virtual void PushPropertiesTo(LayerImpl* layer_impl) OVERRIDE {
     Layer::PushPropertiesTo(layer_impl);
 
     MockLayerImpl* mock_layer_impl = static_cast<MockLayerImpl*>(layer_impl);
     mock_layer_impl->SetLayerImplDestructionList(layer_impl_destruction_list_);
   }
 
  private:
-  MockLayer(std::vector<int>* layer_impl_destruction_list)
+  explicit MockLayer(std::vector<int>* layer_impl_destruction_list)
       : Layer(), layer_impl_destruction_list_(layer_impl_destruction_list) {}
   virtual ~MockLayer() {}
 
   std::vector<int>* layer_impl_destruction_list_;
 };
 
 class FakeLayerAnimationController : public LayerAnimationController {
  public:
   static scoped_refptr<LayerAnimationController> Create() {
     return static_cast<LayerAnimationController*>(
@@ skipping 433 matching lines @@
       TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(),
                                          layer_impl_tree_root.Pass(),
                                          host_impl_.active_tree());
 
   EXPECT_TRUE(static_cast<FakeLayerAnimationController*>(
       layer_tree_root->layer_animation_controller())->SynchronizedAnimations());
 }
 
 }  // namespace
 }  // namespace cc