Move UserScript and related into extensions namespace

chrome/renderer/extensions/extension_helper.cc

Index: chrome/renderer/extensions/extension_helper.cc
diff --git a/chrome/renderer/extensions/extension_helper.cc b/chrome/renderer/extensions/extension_helper.cc
index 24d3dc285680c9fcd71a82259bd0aaa7f92ebebc..47a48be46d32a462a45058d8fc5041492b31b8ac 100644
--- a/chrome/renderer/extensions/extension_helper.cc
+++ b/chrome/renderer/extensions/extension_helper.cc
@@ -48,7 +48,7 @@ namespace {
 // We store this mapping per process, because a frame can jump from one
 // document to another with adoptNode, and so having the object be a
 // RenderViewObserver means it might miss some notifications after it moves.
-typedef std::map<WebFrame*, UserScriptScheduler*> SchedulerMap;
+typedef std::map<WebFrame*, extensions::UserScriptScheduler*> SchedulerMap;
 static base::LazyInstance<SchedulerMap> g_schedulers =
     LAZY_INSTANCE_INITIALIZER;
 
@@ -225,7 +225,7 @@ bool ExtensionHelper::OnMessageReceived(const IPC::Message& message) {
 
 void ExtensionHelper::DidFinishDocumentLoad(WebFrame* frame) {
   extension_dispatcher_->user_script_slave()->InjectScripts(
-      frame, UserScript::DOCUMENT_END);
+      frame, extensions::UserScript::DOCUMENT_END);
 
   SchedulerMap::iterator i = g_schedulers.Get().find(frame);
   if (i != g_schedulers.Get().end())
@@ -240,7 +240,7 @@ void ExtensionHelper::DidFinishLoad(WebKit::WebFrame* frame) {
 
 void ExtensionHelper::DidCreateDocumentElement(WebFrame* frame) {
   extension_dispatcher_->user_script_slave()->InjectScripts(
-      frame, UserScript::DOCUMENT_START);
+      frame, extensions::UserScript::DOCUMENT_START);
   SchedulerMap::iterator i = g_schedulers.Get().find(frame);
   if (i != g_schedulers.Get().end())
     i->second->DidCreateDocumentElement();
@@ -276,7 +276,7 @@ void ExtensionHelper::DidCreateDataSource(WebFrame* frame, WebDataSource* ds) {
   if (g_schedulers.Get().count(frame))
     return;
 
-  g_schedulers.Get()[frame] = new UserScriptScheduler(
+  g_schedulers.Get()[frame] = new extensions::UserScriptScheduler(
       frame, extension_dispatcher_);
 }