Remove ExtensionMessageService's legacy support for devtools.

chrome/browser/profiles/profile_impl.cc

Index: chrome/browser/profiles/profile_impl.cc
diff --git a/chrome/browser/profiles/profile_impl.cc b/chrome/browser/profiles/profile_impl.cc
index 5f25918617f69f69019a2b8656cda6ef431e1141..1e02327b13386b9735a0c09764a86e40e4e2d89e 100644
--- a/chrome/browser/profiles/profile_impl.cc
+++ b/chrome/browser/profiles/profile_impl.cc
@@ -444,7 +444,7 @@ void ProfileImpl::InitExtensions(bool extensions_enabled) {
   extension_info_map_ = new ExtensionInfoMap();
   extension_process_manager_.reset(ExtensionProcessManager::Create(this));
   extension_event_router_.reset(new ExtensionEventRouter(this));
-  extension_message_service_ = new ExtensionMessageService(this);
+  extension_message_service_.reset(new ExtensionMessageService(this));

[Yoyo Zhou, 2012/03/10 01:36:54]

Yeah, these changes can basically be applied verbatim to extension_system.cc
once that gets in.

[Yoyo Zhou, 2012/03/12 18:33:51]

It looks like my change is actually going to be blocked for a while, so you can
go ahead with this.

   extension_navigation_observer_.reset(new ExtensionNavigationObserver(this));
 
   ExtensionErrorReporter::Init(true);  // allow noisy errors.
@@ -626,9 +626,6 @@ ProfileImpl::~ProfileImpl() {
   // HistoryService first.
   favicon_service_.reset();
 
-  if (extension_message_service_)
-    extension_message_service_->DestroyingProfile();
-
   if (pref_proxy_config_tracker_.get())
     pref_proxy_config_tracker_->DetachFromPrefService();