Implements extensions devtools API

chrome/browser/automation/automation_profile_impl.h

Index: chrome/browser/automation/automation_profile_impl.h
diff --git a/chrome/browser/automation/automation_profile_impl.h b/chrome/browser/automation/automation_profile_impl.h
index ced38cde2c35a9af4ff3f4978c35b9727c978527..9f4299d1a227cee9ca925c91c852f4e35509b97b 100644
--- a/chrome/browser/automation/automation_profile_impl.h
+++ b/chrome/browser/automation/automation_profile_impl.h
@@ -54,6 +54,9 @@ class AutomationProfileImpl : public Profile {
   virtual UserScriptMaster* GetUserScriptMaster() {
     return original_profile_->GetUserScriptMaster();
   }
+  virtual ExtensionDevToolsManager* GetExtensionDevToolsManager() {
+    return original_profile_->GetExtensionDevToolsManager();
+  }
   virtual ExtensionProcessManager* GetExtensionProcessManager() {
     return original_profile_->GetExtensionProcessManager();
   }