Introduces DevToolsManagerDelegate.

content/browser/devtools/devtools_manager_impl.h

Index: content/browser/devtools/devtools_manager_impl.h
diff --git a/content/browser/devtools/devtools_manager_impl.h b/content/browser/devtools/devtools_manager_impl.h
index a14b2f1ca115b8616c3b33228113a5fa23b0668d..8067662dc079176c7c6c3088d0274d86a1fbf6d2 100644
--- a/content/browser/devtools/devtools_manager_impl.h
+++ b/content/browser/devtools/devtools_manager_impl.h
@@ -24,6 +24,8 @@ class Message;
 
 namespace content {
 
+class BrowserContext;
+class DevToolsManagerDelegate;
 class RenderViewHost;
 
 // This class is a singleton that manages DevToolsClientHost instances and
@@ -43,6 +45,9 @@ class CONTENT_EXPORT DevToolsManagerImpl
   DevToolsManagerImpl();
   virtual ~DevToolsManagerImpl();
 
+  // Opens the inspector for |agent_host|.
+  void Inspect(BrowserContext* browser_context, DevToolsAgentHost* agent_host);
+
   void DispatchOnInspectorFrontend(DevToolsAgentHost* agent_host,
                                    const std::string& message);
 
@@ -96,6 +101,8 @@ class CONTENT_EXPORT DevToolsManagerImpl
   typedef std::vector<const Callback*> CallbackContainer;
   CallbackContainer callbacks_;
 
+  scoped_ptr<DevToolsManagerDelegate> delegate_;
+
   DISALLOW_COPY_AND_ASSIGN(DevToolsManagerImpl);
 };