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

cc/trees/layer_tree_impl.h

 // 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.
 
 #ifndef CC_TREES_LAYER_TREE_IMPL_H_
 #define CC_TREES_LAYER_TREE_IMPL_H_
 
+#include <string>
+#include <vector>
+
 #include "base/hash_tables.h"
 #include "base/values.h"
 #include "cc/layers/layer_impl.h"
 
 #if defined(COMPILER_GCC)
 namespace BASE_HASH_NAMESPACE {
 template<>
 struct hash<cc::LayerImpl*> {
   size_t operator()(cc::LayerImpl* ptr) const {
     return hash<size_t>()(reinterpret_cast<size_t>(ptr));
   }
 };
-} // namespace BASE_HASH_NAMESPACE
-#endif // COMPILER
+}  // namespace BASE_HASH_NAMESPACE
+#endif  // COMPILER
 
 namespace cc {
 
 class DebugRectHistory;
 class FrameRateCounter;
 class HeadsUpDisplayLayerImpl;
 class LayerTreeDebugState;
 class LayerTreeHostImpl;
 class LayerTreeImpl;
 class LayerTreeSettings;
@@ skipping 49 matching lines @@
   std::string layer_tree_as_text() const;
   DebugRectHistory* debug_rect_history() const;
   scoped_ptr<base::Value> AsValue() const;
 
   // Other public methods
   // ---------------------------------------------------------------------------
   LayerImpl* root_layer() const { return root_layer_.get(); }
   void SetRootLayer(scoped_ptr<LayerImpl>);
   scoped_ptr<LayerImpl> DetachLayerTree();
 
-  void PushPropertiesTo(LayerTreeImpl*);
+  void PushPropertiesTo(LayerTreeImpl* tree_impl);
 
   int source_frame_number() const { return source_frame_number_; }
   void set_source_frame_number(int frame_number) {
     source_frame_number_ = frame_number;
   }
 
   HeadsUpDisplayLayerImpl* hud_layer() { return hud_layer_; }
   void set_hud_layer(HeadsUpDisplayLayerImpl* layer_impl) {
     hud_layer_ = layer_impl;
   }
@@ skipping 89 matching lines @@
   Proxy* proxy() const;
 
   void SetPinchZoomHorizontalLayerId(int layer_id);
   void SetPinchZoomVerticalLayerId(int layer_id);
 
   void DidBeginScroll();
   void DidUpdateScroll();
   void DidEndScroll();
 
  protected:
-  LayerTreeImpl(LayerTreeHostImpl* layer_tree_host_impl);
+  explicit LayerTreeImpl(LayerTreeHostImpl* layer_tree_host_impl);
 
   void UpdateSolidColorScrollbars();
 
   // Hide existence of pinch-zoom scrollbars.
   void UpdatePinchZoomScrollbars();
   void FadeInPinchZoomScrollbars();
   void FadeOutPinchZoomScrollbars();
   ScrollbarLayerImpl* PinchZoomScrollbarHorizontal();
   ScrollbarLayerImpl* PinchZoomScrollbarVertical();
   bool HasPinchZoomScrollbars() const;
@@ skipping 30 matching lines @@
   bool viewport_size_invalid_;
   bool needs_update_draw_properties_;
 
   // In impl-side painting mode, this is true when the tree may contain
   // structural differences relative to the active tree.
   bool needs_full_tree_sync_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerTreeImpl);
 };
 
-}
+}  // namespace cc
 
 #endif  // CC_TREES_LAYER_TREE_IMPL_H_