Aura: Show dialog box asking user's permisssion for screen sharing for gtalk

chrome/browser/chrome_content_browser_client.h

Index: chrome/browser/chrome_content_browser_client.h
diff --git a/chrome/browser/chrome_content_browser_client.h b/chrome/browser/chrome_content_browser_client.h
index 748eef92677aa581b161dd4cc4ae13a6f5893680..20ccc03f98b748063c084f3245a056f6021f15ed 100644
--- a/chrome/browser/chrome_content_browser_client.h
+++ b/chrome/browser/chrome_content_browser_client.h
@@ -178,6 +178,11 @@ class ChromeContentBrowserClient : public content::ContentBrowserClient {
           const GURL& url) OVERRIDE;
 #endif
 
+  virtual void ShowYesNoBox(
+      const string16& title,
+      const string16& message,
+      content::YesNoBoxResponseCallback* callback) OVERRIDE;
+
  private:
   // Set of origins that can use TCP/UDP private APIs from NaCl.
   std::set<std::string> allowed_socket_origins_;