Refactor Permissions related method out of ContentBrowserClient.

android_webview/browser/aw_content_browser_client.h

Index: android_webview/browser/aw_content_browser_client.h
diff --git a/android_webview/browser/aw_content_browser_client.h b/android_webview/browser/aw_content_browser_client.h
index 2fc83b765400578b68db4bff185b90f5b7a614c1..5d9897e225fab79f834e2f7e9ca967bf7de7dbf5 100644
--- a/android_webview/browser/aw_content_browser_client.h
+++ b/android_webview/browser/aw_content_browser_client.h
@@ -105,17 +105,6 @@ class AwContentBrowserClient : public content::ContentBrowserClient {
       content::WebContents* web_contents,
       net::SSLCertRequestInfo* cert_request_info,
       scoped_ptr<content::ClientCertificateDelegate> delegate) override;
-  void RequestPermission(
-      content::PermissionType permission,
-      content::WebContents* web_contents,
-      int bridge_id,
-      const GURL& requesting_frame,
-      bool user_gesture,
-      const base::Callback<void(content::PermissionStatus)>& callback) override;
-  void CancelPermissionRequest(content::PermissionType permission,
-                               content::WebContents* web_contents,
-                               int bridge_id,
-                               const GURL& origin) override;
   bool CanCreateWindow(const GURL& opener_url,
                        const GURL& opener_top_level_frame_url,
                        const GURL& source_origin,