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

content/common/fileapi/webblobregistry_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/webblobregistry_impl.h"
 
 #include "base/memory/ref_counted.h"
 #include "base/shared_memory.h"
 #include "content/common/child_thread.h"
 #include "content/common/fileapi/webblob_messages.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebBlobData.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/blob/blob_data.h"
 #include "webkit/glue/webkit_glue.h"
 
 using WebKit::WebBlobData;
 using WebKit::WebString;
 using WebKit::WebURL;
 
+namespace content {
+
 WebBlobRegistryImpl::WebBlobRegistryImpl(ChildThread* child_thread)
     : child_thread_(child_thread) {
 }
 
 WebBlobRegistryImpl::~WebBlobRegistryImpl() {
 }
 
 void WebBlobRegistryImpl::registerBlobURL(
     const WebURL& url, WebBlobData& data) {
   const size_t kLargeThresholdBytes = 250 * 1024;
@@ skipping 74 matching lines @@
 }
 
 void WebBlobRegistryImpl::registerBlobURL(
     const WebURL& url, const WebURL& src_url) {
   child_thread_->Send(new BlobHostMsg_CloneBlob(url, src_url));
 }
 
 void WebBlobRegistryImpl::unregisterBlobURL(const WebURL& url) {
   child_thread_->Send(new BlobHostMsg_RemoveBlob(url));
 }
+
+}  // namespace content