Partially convert geolocation IPC to Mojo.

content/browser/frame_host/render_frame_host_delegate.h

Index: content/browser/frame_host/render_frame_host_delegate.h
diff --git a/content/browser/frame_host/render_frame_host_delegate.h b/content/browser/frame_host/render_frame_host_delegate.h
index 0d927a45af2c52e24226267082ecf97ddc47aa54..6c22d94abf2620ffd350db98afcf79a509a95773 100644
--- a/content/browser/frame_host/render_frame_host_delegate.h
+++ b/content/browser/frame_host/render_frame_host_delegate.h
@@ -26,6 +26,7 @@ class Message;
 }
 
 namespace content {
+class GeolocationServiceContext;
 class RenderFrameHost;
 class WebContents;
 struct AXEventNotificationDetails;
@@ -147,6 +148,9 @@ class CONTENT_EXPORT RenderFrameHostDelegate {
   virtual RenderFrameHost* GetGuestByInstanceID(
       int browser_plugin_instance_id);
 
+  // Gets the GeolocationServiceContext associated with this delegate.
+  virtual GeolocationServiceContext* GetGeolocationServiceContext();
+
 #if defined(OS_WIN)
   // Returns the frame's parent's NativeViewAccessible.
   virtual gfx::NativeViewAccessible GetParentNativeViewAccessible();