Move a bunch of code in content\common (as well as a few left in renderer) to the content namespace.

content/common/gpu/gpu_memory_allocation.h

 // Copyright (c) 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 CONTENT_COMMON_GPU_GPU_MEMORY_ALLOCATION_H_
 #define CONTENT_COMMON_GPU_GPU_MEMORY_ALLOCATION_H_
 
 #include "base/basictypes.h"
 
+namespace content {
+
 // These are per context memory allocation limits set by the GpuMemoryManager
 // and assigned to the browser and renderer context.
 // They will change over time, given memory availability, and browser state.
 
 // Memory Allocation which will be assigned to the renderer context.
 struct GpuMemoryAllocationForRenderer {
   enum {
     INVALID_RESOURCE_SIZE = -1
   };
 
@@ skipping 95 matching lines @@
 
   bool operator==(const GpuMemoryAllocationRequest& other) const {
     return min_allocation_bytes == other.min_allocation_bytes &&
         ideal_allocation_bytes == other.ideal_allocation_bytes;
   }
   bool operator!=(const GpuMemoryAllocationRequest& other) const {
     return !(*this == other);
   }
 };
 
+}  // namespace content
+
 #endif // CONTENT_COMMON_GPU_GPU_MEMORY_ALLOCATION_H_