Changed the extension.connect() API not to broadcast to all tabs. Added a

chrome/browser/profile.cc

Index: chrome/browser/profile.cc
diff --git a/chrome/browser/profile.cc b/chrome/browser/profile.cc
index 72bf157140444f85b944765afb4d2fcbac5b89f1..12f2bf30f63766f8aba435d1bf3d87998a4836b0 100644
--- a/chrome/browser/profile.cc
+++ b/chrome/browser/profile.cc
@@ -15,6 +15,7 @@
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/browser_theme_provider.h"
 #include "chrome/browser/download/download_manager.h"
+#include "chrome/browser/extensions/extension_message_service.h"
 #include "chrome/browser/extensions/extension_process_manager.h"
 #include "chrome/browser/extensions/extensions_service.h"
 #include "chrome/browser/extensions/user_script_master.h"
@@ -220,6 +221,10 @@ class OffTheRecordProfileImpl : public Profile,
     return NULL;
   }
 
+  virtual ExtensionMessageService* GetExtensionMessageService() {
+    return NULL;
+  }
+
   virtual SSLHostState* GetSSLHostState() {
     if (!ssl_host_state_.get())
       ssl_host_state_.reset(new SSLHostState());
@@ -499,6 +504,7 @@ ProfileImpl::ProfileImpl(const FilePath& path)
       &ProfileImpl::EnsureSessionServiceCreated);
 
   extension_process_manager_.reset(new ExtensionProcessManager(this));
+  extension_message_service_ = new ExtensionMessageService(this);
 
   PrefService* prefs = GetPrefs();
   prefs->AddPrefObserver(prefs::kSpellCheckDictionary, this);
@@ -657,6 +663,8 @@ ProfileImpl::~ProfileImpl() {
   history_service_ = NULL;
   bookmark_bar_model_.reset();
 
+  extension_message_service_->ProfileDestroyed();
+
   MarkAsCleanShutdown();
 }
 
@@ -709,6 +717,10 @@ ExtensionProcessManager* ProfileImpl::GetExtensionProcessManager() {
   return extension_process_manager_.get();
 }
 
+ExtensionMessageService* ProfileImpl::GetExtensionMessageService() {
+  return extension_message_service_.get();
+}
+
 SSLHostState* ProfileImpl::GetSSLHostState() {
   if (!ssl_host_state_.get())
     ssl_host_state_.reset(new SSLHostState());