DevTools: allow embedder handling remote debugger commands.

chrome/browser/devtools/chrome_devtools_manager_delegate.h

Index: chrome/browser/devtools/chrome_devtools_manager_delegate.h
diff --git a/chrome/browser/devtools/chrome_devtools_manager_delegate.h b/chrome/browser/devtools/chrome_devtools_manager_delegate.h
index f1bed42d086d00ef16acca6610778948ad09f058..4de8369e1071528f609309e877f6151bf27d4f58 100644
--- a/chrome/browser/devtools/chrome_devtools_manager_delegate.h
+++ b/chrome/browser/devtools/chrome_devtools_manager_delegate.h
@@ -17,6 +17,9 @@ class ChromeDevToolsManagerDelegate : public content::DevToolsManagerDelegate {
   // content::DevToolsManagerDelegate overrides:
   virtual void Inspect(content::BrowserContext* browser_context,
                        content::DevToolsAgentHost* agent_host) OVERRIDE;
+  virtual base::DictionaryValue* HandleCommand(
+      content::DevToolsAgentHost* agent_host,
+      base::DictionaryValue* command_dict) OVERRIDE;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ChromeDevToolsManagerDelegate);