Get the WebGeolocationClient from WebFrameClient instead of WebViewClient.

public/web/WebFrameClient.h

Index: public/web/WebFrameClient.h
diff --git a/public/web/WebFrameClient.h b/public/web/WebFrameClient.h
index d7e9b8e882e8c72d9f77455771263423df4a21f4..912636901e17e5931264593ff599c01decf40cd3 100644
--- a/public/web/WebFrameClient.h
+++ b/public/web/WebFrameClient.h
@@ -63,6 +63,7 @@ class WebCookieJar;
 class WebDataSource;
 class WebDOMEvent;
 class WebFormElement;
+class WebGeolocationClient;
 class WebInputEvent;
 class WebMediaPlayer;
 class WebMediaPlayerClient;
@@ -439,6 +440,12 @@ public:
     virtual void willOpenSocketStream(WebSocketStreamHandle*) { }
 
 
+    // Geolocation ---------------------------------------------------------
+
+    // Access the embedder API for (client-based) geolocation client .
+    virtual WebGeolocationClient* geolocationClient() { return 0; }
+
+
     // MediaStream -----------------------------------------------------
 
     // A new WebRTCPeerConnectionHandler is created.