Add a mechanism to pause and resume geolocation requests.

content/renderer/geolocation_dispatcher.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/geolocation_dispatcher.h"
 
 #include "content/common/geolocation_messages.h"
 #include "content/renderer/render_view_impl.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/web/WebGeolocationPermissionRequest.h"
@@ skipping 39 matching lines @@
   Send(new GeolocationHostMsg_StartUpdating(
       routing_id(), url, enable_high_accuracy_));
   updating_ = true;
 }
 
 void GeolocationDispatcher::stopUpdating() {
   Send(new GeolocationHostMsg_StopUpdating(routing_id()));
   updating_ = false;
 }
 
+void GeolocationDispatcher::pauseOrResume(bool should_pause) {
+  Send(new GeolocationHostMsg_PauseOrResume(routing_id(), should_pause));
+}
+
 void GeolocationDispatcher::setEnableHighAccuracy(bool enable_high_accuracy) {
   // GeolocationController calls setEnableHighAccuracy(true) before
   // startUpdating in response to the first high-accuracy Geolocation
   // subscription. When the last high-accuracy Geolocation unsubscribes
   // it calls setEnableHighAccuracy(false) after stopUpdating.
   bool has_changed = enable_high_accuracy_ != enable_high_accuracy;
   enable_high_accuracy_ = enable_high_accuracy;
   // We have a different accuracy requirement. Request browser to update.
   if (updating_ && has_changed)
     startUpdating();
@@ skipping 78 matching lines @@
         NOTREACHED() << geoposition.error_code;
         return;
     }
     controller_->errorOccurred(
         WebGeolocationError(
             code, blink::WebString::fromUTF8(geoposition.error_message)));
   }
 }
 
 }  // namespace content