Migrate geolocation permissions to the new common permission class.

content/public/browser/content_browser_client.cc

Index: content/public/browser/content_browser_client.cc
diff --git a/content/public/browser/content_browser_client.cc b/content/public/browser/content_browser_client.cc
index a72bc670a46e69c6c9f850f484f0756f70cfe9e6..a29c48d7f0f8e84cccab8cd8f9623fc0f9cbac08 100644
--- a/content/public/browser/content_browser_client.cc
+++ b/content/public/browser/content_browser_client.cc
@@ -217,11 +217,18 @@ void ContentBrowserClient::RequestGeolocationPermission(
     int bridge_id,
     const GURL& requesting_frame,
     bool user_gesture,
-    base::Callback<void(bool)> result_callback,
-    base::Closure* cancel_callback) {
+    const base::Callback<void(bool)>& result_callback) {
   result_callback.Run(true);
 }
 
+// TODO(miguelg): replace all Create*Permission with a single
+// CreatePermission(enum permission) method.
+void ContentBrowserClient::CancelGeolocationPermissionRequest(
+    WebContents* web_contents,
+    int bridge_id,
+    const GURL& requesting_frame) {
+}
+
 void ContentBrowserClient::RequestMidiSysExPermission(
     WebContents* web_contents,
     int bridge_id,