Add a mechanism to pause and resume geolocation requests.

content/browser/renderer_host/render_process_host_impl.cc

Index: content/browser/renderer_host/render_process_host_impl.cc
diff --git a/content/browser/renderer_host/render_process_host_impl.cc b/content/browser/renderer_host/render_process_host_impl.cc
index 0e3893bb9fc12eafe83901d050fe7ddf8b2509f9..0324bcfec33bbac6e059143b6c310c26da357189 100644
--- a/content/browser/renderer_host/render_process_host_impl.cc
+++ b/content/browser/renderer_host/render_process_host_impl.cc
@@ -51,7 +51,6 @@
 #include "content/browser/fileapi/chrome_blob_storage_context.h"
 #include "content/browser/fileapi/fileapi_message_filter.h"
 #include "content/browser/frame_host/render_frame_message_filter.h"
-#include "content/browser/geolocation/geolocation_dispatcher_host.h"
 #include "content/browser/gpu/compositor_util.h"
 #include "content/browser/gpu/gpu_data_manager_impl.h"
 #include "content/browser/gpu/gpu_process_host.h"
@@ -654,12 +653,13 @@ void RenderProcessHostImpl::CreateMessageFilters() {
       g_browser_plugin_geolocation_context.Get() =
           new BrowserPluginGeolocationPermissionContext();
     }
-    AddFilter(GeolocationDispatcherHost::New(
-        GetID(), g_browser_plugin_geolocation_context.Get().get()));
+    geolocation_dispatcher_host_ = GeolocationDispatcherHost::New(
+        GetID(), g_browser_plugin_geolocation_context.Get().get());
   } else {
-    AddFilter(GeolocationDispatcherHost::New(
-        GetID(), browser_context->GetGeolocationPermissionContext()));
+    geolocation_dispatcher_host_ = GeolocationDispatcherHost::New(
+        GetID(), browser_context->GetGeolocationPermissionContext());
   }
+  AddFilter(geolocation_dispatcher_host_);
   gpu_message_filter_ = new GpuMessageFilter(GetID(), widget_helper_.get());
   AddFilter(gpu_message_filter_);
 #if defined(ENABLE_WEBRTC)