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

content/common/fileapi/webfilesystem_impl.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_FILEAPI_WEBFILESYSTEM_IMPL_H_
 #define CONTENT_COMMON_FILEAPI_WEBFILESYSTEM_IMPL_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebFileSystem.h"
 
 namespace WebKit {
 class WebURL;
 class WebFileWriter;
 class WebFileWriterClient;
 }
 
+namespace content {
+
 class WebFileSystemImpl : public WebKit::WebFileSystem {
  public:
   WebFileSystemImpl();
   virtual ~WebFileSystemImpl() { }
 
   // WebFileSystem implementation.
   virtual void move(
       const WebKit::WebURL& src_path,
       const WebKit::WebURL& dest_path,
       WebKit::WebFileSystemCallbacks*) OVERRIDE;
@@ skipping 28 matching lines @@
       const WebKit::WebURL& path,
       WebKit::WebFileSystemCallbacks*) OVERRIDE;
   virtual WebKit::WebFileWriter* createFileWriter(
       const WebKit::WebURL& path, WebKit::WebFileWriterClient*) OVERRIDE;
   virtual void createSnapshotFileAndReadMetadata(
       const WebKit::WebURL& blobURL,
       const WebKit::WebURL& path,
       WebKit::WebFileSystemCallbacks*) OVERRIDE;
 };
 
+}  // namespace content
+
 #endif  // CONTENT_COMMON_FILEAPI_WEBFILESYSTEM_IMPL_H_