Move hash_pair.h from cc/base into base/.

cc/quads/render_pass.h

 // 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.
 
 #ifndef CC_QUADS_RENDER_PASS_H_
 #define CC_QUADS_RENDER_PASS_H_
 
 #include <utility>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/containers/hash_tables.h"
 #include "cc/base/cc_export.h"
-#include "cc/base/hash_pair.h"
 #include "cc/base/scoped_ptr_hash_map.h"
 #include "cc/base/scoped_ptr_vector.h"
 #include "skia/ext/refptr.h"
 #include "third_party/WebKit/public/platform/WebFilterOperations.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "third_party/skia/include/core/SkImageFilter.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/rect_f.h"
 #include "ui/gfx/transform.h"
 
@@ skipping 79 matching lines @@
   // this list. This property should not be serialized between compositors, as
   // it only makes sense in the root compositor.
   ScopedPtrVector<CopyOutputRequest> copy_requests;
 
   QuadList quad_list;
   SharedQuadStateList shared_quad_state_list;
 
  protected:
   RenderPass();
 
+ private:
   DISALLOW_COPY_AND_ASSIGN(RenderPass);
 };
 
 }  // namespace cc
 
 namespace BASE_HASH_NAMESPACE {
 #if defined(COMPILER_MSVC)
 template<>
 inline size_t hash_value<cc::RenderPass::Id>(const cc::RenderPass::Id& key) {
   return hash_value<std::pair<int, int> >(
       std::pair<int, int>(key.layer_id, key.index));
 }
 #elif defined(COMPILER_GCC)
 template<>
 struct hash<cc::RenderPass::Id> {
   size_t operator()(cc::RenderPass::Id key) const {
     return hash<std::pair<int, int> >()(
         std::pair<int, int>(key.layer_id, key.index));
   }
 };
 #else
 #error define a hash function for your compiler
 #endif  // COMPILER
-}
+}  // namespace BASE_HASH_NAMESPACE
 
 namespace cc {
 typedef ScopedPtrVector<RenderPass> RenderPassList;
 typedef base::hash_map<RenderPass::Id, RenderPass*> RenderPassIdHashMap;
 }  // namespace cc
 
 #endif  // CC_QUADS_RENDER_PASS_H_