Add a mechanism to pause and resume geolocation requests.

content/browser/renderer_host/render_view_host_impl.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/browser/renderer_host/render_view_host_impl.h"
 
 #include <set>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 814 matching lines @@
 
 void RenderViewHostImpl::RequestFindMatchRects(int current_version) {
   Send(new ViewMsg_FindMatchRects(GetRoutingID(), current_version));
 }
 
 void RenderViewHostImpl::DisableFullscreenEncryptedMediaPlayback() {
   media_player_manager_->DisableFullscreenEncryptedMediaPlayback();
 }
 #endif
 
+void RenderViewHostImpl::PauseGeolocation() {
+  BrowserThread::PostTask(
+      BrowserThread::IO, FROM_HERE,
+      base::Bind(&GeolocationDispatcherHost::PauseOrResume,
+                 base::Unretained(
+                     static_cast<RenderProcessHostImpl*>(GetProcess())->
+                         geolocation_dispatcher_host()),
+                 GetRoutingID(), true));
+}
+
+void RenderViewHostImpl::ResumeGeolocation() {
+   BrowserThread::PostTask(
+      BrowserThread::IO, FROM_HERE,
+      base::Bind(&GeolocationDispatcherHost::PauseOrResume,
+                 base::Unretained(

[joth, 2013/11/08 20:41:14]

GeolocationDispatcherHost is refcounted so the Unretained() is probably not
needed here.

[benm (inactive), 2013/11/08 21:10:28]

Perfect, thanks.

+                     static_cast<RenderProcessHostImpl*>(GetProcess())->
+                         geolocation_dispatcher_host()),
+                 GetRoutingID(), false));
+}
+
 void RenderViewHostImpl::DragTargetDragEnter(
     const DropData& drop_data,
     const gfx::Point& client_pt,
     const gfx::Point& screen_pt,
     WebDragOperationsMask operations_allowed,
     int key_modifiers) {
   const int renderer_id = GetProcess()->GetID();
   ChildProcessSecurityPolicyImpl* policy =
       ChildProcessSecurityPolicyImpl::GetInstance();
 
@@ skipping 1424 matching lines @@
 void RenderViewHostImpl::AttachToFrameTree() {
   FrameTree* frame_tree = delegate_->GetFrameTree();
 
   frame_tree->SwapMainFrame(main_render_frame_host_.get());
   if (main_frame_id() != FrameTreeNode::kInvalidFrameId) {
     frame_tree->OnFirstNavigationAfterSwap(main_frame_id());
   }
 }
 
 }  // namespace content