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.cc

 // 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.
 
 #include "content/common/fileapi/webfilesystem_impl.h"
 
 #include "content/common/child_thread.h"
 #include "content/common/fileapi/file_system_dispatcher.h"
 #include "content/common/fileapi/webfilesystem_callback_dispatcher.h"
 #include "content/common/fileapi/webfilewriter_impl.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFileInfo.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFileSystemCallbacks.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebString.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebURL.h"
 #include "webkit/glue/webkit_glue.h"
 
 using WebKit::WebFileInfo;
 using WebKit::WebFileSystemCallbacks;
 using WebKit::WebFileSystemEntry;
 using WebKit::WebString;
 using WebKit::WebURL;
 using WebKit::WebVector;
 
+namespace content {
+
 WebFileSystemImpl::WebFileSystemImpl() {
 }
 
 void WebFileSystemImpl::move(const WebURL& src_path,
                              const WebURL& dest_path,
                              WebFileSystemCallbacks* callbacks) {
   FileSystemDispatcher* dispatcher =
       ChildThread::current()->file_system_dispatcher();
   dispatcher->Move(GURL(src_path),
                    GURL(dest_path),
@@ skipping 86 matching lines @@
 void WebFileSystemImpl::createSnapshotFileAndReadMetadata(
     const WebKit::WebURL& blobURL,
     const WebKit::WebURL& path,
     WebKit::WebFileSystemCallbacks* callbacks) {
   FileSystemDispatcher* dispatcher =
       ChildThread::current()->file_system_dispatcher();
   dispatcher->CreateSnapshotFile(
       GURL(blobURL), GURL(path),
       new WebFileSystemCallbackDispatcher(callbacks));
 }
+
+}  // namespace content