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

content/renderer/render_process.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_RENDERER_RENDER_PROCESS_H_
 #define CONTENT_RENDERER_RENDER_PROCESS_H_
 
 #include "content/common/child_process.h"
 #include "skia/ext/platform_canvas.h"
 
 class TransportDIB;
 
 namespace gfx {
 class Rect;
 }
 
 namespace skia {
 class PlatformCanvas;
 }
 
+namespace content {
+
 // A abstract interface representing the renderer end of the browser<->renderer
 // connection. The opposite end is the RenderProcessHost. This is a singleton
 // object for each renderer.
 //
 // RenderProcessImpl implements this interface for the regular browser.
 // MockRenderProcess implements this interface for certain tests, especially
 // ones derived from RenderViewTest.
 class RenderProcess : public ChildProcess {
  public:
   RenderProcess() {}
@@ skipping 32 matching lines @@
   // we're actually a renderer or a renderer test, this static cast will
   // be correct.
   static RenderProcess* current() {
     return static_cast<RenderProcess*>(ChildProcess::current());
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(RenderProcess);
 };
 
+}  // namespace content
+
 #endif  // CONTENT_RENDERER_RENDER_PROCESS_H_