Extract debugger target enumeration into a separate class

content/browser/devtools/render_view_devtools_agent_host.h

Index: content/browser/devtools/render_view_devtools_agent_host.h
diff --git a/content/browser/devtools/render_view_devtools_agent_host.h b/content/browser/devtools/render_view_devtools_agent_host.h
index 30571868ec00182a729a956c7c297536a9867d91..28aab0b04d9dfa6e01a88eabd99d6bebc882bd54 100644
--- a/content/browser/devtools/render_view_devtools_agent_host.h
+++ b/content/browser/devtools/render_view_devtools_agent_host.h
@@ -18,6 +18,7 @@
 namespace content {
 
 class DevToolsAgentHostRvhObserver;
+class NavigationEntry;
 class RendererOverridesHandler;
 class RenderViewHost;
 
@@ -41,6 +42,14 @@ class CONTENT_EXPORT RenderViewDevToolsAgentHost
   // DevTooolsAgentHost overrides.
   virtual RenderViewHost* GetRenderViewHost() OVERRIDE;
 
+  virtual std::string title() OVERRIDE;
+
+  virtual GURL url() OVERRIDE;
+
+  virtual GURL thumbnail_url() OVERRIDE;
+
+  virtual GURL favicon_url() OVERRIDE;
+
   // DevToolsAgentHostImpl overrides.
   virtual void DispatchOnInspectorBackend(const std::string& message) OVERRIDE;
   virtual void SendMessageToAgent(IPC::Message* msg) OVERRIDE;
@@ -63,6 +72,8 @@ class CONTENT_EXPORT RenderViewDevToolsAgentHost
 
   bool CaptureScreenshot(std::string* base_64_data);
 
+  NavigationEntry* GetNavigationEntry();
+
   RenderViewHost* render_view_host_;
   scoped_ptr<DevToolsAgentHostRvhObserver> rvh_observer_;
   scoped_ptr<RendererOverridesHandler> overrides_handler_;