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

content/public/browser/content_browser_client.h

Index: content/public/browser/content_browser_client.h
diff --git a/content/public/browser/content_browser_client.h b/content/public/browser/content_browser_client.h
index 1441efdfbe8d76b3a789b729b70d05a3d49b259e..e85e4b1f57dfcedf9d06bd9cb1b1986cda5f92b5 100644
--- a/content/public/browser/content_browser_client.h
+++ b/content/public/browser/content_browser_client.h
@@ -77,6 +77,8 @@ struct ShowDesktopNotificationHostMsgParams;
 typedef base::Callback< void(const content::MediaStreamDevices&) >
     MediaResponseCallback;
 
+typedef base::Callback< void(const bool&) > YesNoBoxResponseCallback;
+
 // Embedder API (or SPI) for participating in browser logic, to be implemented
 // by the client of the content browser. See ChromeContentBrowserClient for the
 // principal implementation. The methods are assumed to be called on the UI
@@ -405,6 +407,12 @@ class ContentBrowserClient {
       crypto::CryptoModuleBlockingPasswordDelegate* GetCryptoPasswordDelegate(
           const GURL& url) = 0;
 #endif
+
+  // Shows a yes/no box to ask for the user's permission with the specified
+  // message and title. The user's response is sent via |callback|.
+  virtual void ShowYesNoBox(const string16& title,

[Avi (use Gerrit), 2012/03/12 14:45:30]

I'm not that familiar with ppapi; how much UI does it need to do? This seems a
little limiting in the general case.

+                            const string16& message,
+                            YesNoBoxResponseCallback* callback) {}
 };
 
 }  // namespace content