Move the remaning files in content\common to the content namespace.

content/browser/plugin_loader_posix.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/browser/plugin_loader_posix.h"
 
 #include "base/bind.h"
 #include "base/message_loop.h"
 #include "base/message_loop_proxy.h"
 #include "base/metrics/histogram.h"
 #include "content/common/child_process_host_impl.h"
 #include "content/common/utility_messages.h"
 #include "content/browser/utility_process_host_impl.h"
 #include "content/public/browser/browser_thread.h"
 #include "webkit/plugins/npapi/plugin_list.h"
 
-using content::BrowserThread;
-using content::ChildProcessHost;
+namespace content {
 
 PluginLoaderPosix::PluginLoaderPosix()
     : next_load_index_(0) {
 }
 
 void PluginLoaderPosix::LoadPlugins(
     scoped_refptr<base::MessageLoopProxy> target_loop,
-    const content::PluginService::GetPluginsCallback& callback) {
+    const PluginService::GetPluginsCallback& callback) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 
   callbacks_.push_back(PendingCallback(target_loop, callback));
 
   if (callbacks_.size() == 1) {
     BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
         base::Bind(&PluginLoaderPosix::GetPluginsToLoad, this));
   }
 }
 
@@ skipping 146 matching lines @@
   if (!callbacks_.empty()) {
     BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
         base::Bind(&PluginLoaderPosix::GetPluginsToLoad, this));
     return false;
   }
   return true;
 }
 
 PluginLoaderPosix::PendingCallback::PendingCallback(
     scoped_refptr<base::MessageLoopProxy> loop,
-    const content::PluginService::GetPluginsCallback& cb)
+    const PluginService::GetPluginsCallback& cb)
     : target_loop(loop),
       callback(cb) {
 }
 
 PluginLoaderPosix::PendingCallback::~PendingCallback() {
 }
+
+}  // namespace content