Rename SurfaceIdAllocator to LocalSurfaceIdAllocator

cc/surfaces/local_surface_id_allocator.h

-// Copyright 2014 The Chromium Authors. All rights reserved.
+// Copyright 2017 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_SURFACES_SURFACE_ID_ALLOCATOR_H_
-#define CC_SURFACES_SURFACE_ID_ALLOCATOR_H_
+#ifndef CC_SURFACES_LOCAL_SURFACE_ID_ALLOCATOR_H_
+#define CC_SURFACES_LOCAL_SURFACE_ID_ALLOCATOR_H_
 
 #include <stdint.h>
 
 #include "base/macros.h"
 #include "cc/surfaces/surface_id.h"
 #include "cc/surfaces/surfaces_export.h"
 
 namespace cc {
 
 // This is a helper class for generating surface IDs within a specified

[Fady Samuel, 2017/02/22 12:42:57]

nit: Update the comment.

This is a helper class for generating local surface IDs for a single FrameSink.

[xing.xu, 2017/02/22 13:33:28]

Acknowledged.

 // namespace.  This is not threadsafe, to use from multiple threads wrap this
 // class in a mutex.
-class CC_SURFACES_EXPORT SurfaceIdAllocator {
+class CC_SURFACES_EXPORT LocalSurfaceIdAllocator {
  public:
-  SurfaceIdAllocator();
-  ~SurfaceIdAllocator();
+  LocalSurfaceIdAllocator();
+  ~LocalSurfaceIdAllocator();
 
   LocalSurfaceId GenerateId();
 
  private:
   uint32_t next_id_;
 
-  DISALLOW_COPY_AND_ASSIGN(SurfaceIdAllocator);
+  DISALLOW_COPY_AND_ASSIGN(LocalSurfaceIdAllocator);
 };
 
 }  // namespace cc
 
-#endif  // CC_SURFACES_SURFACE_ID_ALLOCATOR_H_
+#endif  // CC_SURFACES_LOCAL_SURFACE_ID_ALLOCATOR_H_