Dispatch geolocation IPCs on the UI thread. Aside from simplifying the code to avoid a lot of threa…

content/public/browser/geolocation_permission_context.h

Index: content/public/browser/geolocation_permission_context.h
===================================================================
--- content/public/browser/geolocation_permission_context.h	(revision 269778)
+++ content/public/browser/geolocation_permission_context.h	(working copy)
@@ -12,6 +12,7 @@
 class GURL;
 
 namespace content {
+class WebContents;
 
 // GeolocationPermissionContext must be implemented by the embedder, to provide
 // the policy and logic for the Geolocation permissions flow.
@@ -23,8 +24,7 @@
   // When the answer to a permission request has been determined, |callback|
   // should be called with the result.
   virtual void RequestGeolocationPermission(
-      int render_process_id,
-      int render_view_id,
+      WebContents* web_contents,
       int bridge_id,
       const GURL& requesting_frame,
       bool user_gesture,
@@ -32,8 +32,7 @@
 
   // The renderer is cancelling a pending permission request.
   virtual void CancelGeolocationPermissionRequest(
-      int render_process_id,
-      int render_view_id,
+      WebContents* web_contents,
       int bridge_id,
       const GURL& requesting_frame) = 0;