Add a mechanism to pause and resume geolocation requests.

content/browser/geolocation/geolocation_provider_impl.cc

Index: content/browser/geolocation/geolocation_provider_impl.cc
diff --git a/content/browser/geolocation/geolocation_provider_impl.cc b/content/browser/geolocation/geolocation_provider_impl.cc
index f343c2920ff527466011c87b469a48a93f475f3d..d8f06ea79e0c9791a0377dc8ab2131575f1346b5 100644
--- a/content/browser/geolocation/geolocation_provider_impl.cc
+++ b/content/browser/geolocation/geolocation_provider_impl.cc
@@ -233,4 +233,34 @@ LocationArbitrator* GeolocationProviderImpl::CreateArbitrator() {
   return new LocationArbitratorImpl(callback);
 }
 
+void GeolocationProviderImpl::PauseAllLocationUpdateCallbacks() {
+  if (!IsRunning()) return;
+  if (!OnGeolocationThread()) {
+    message_loop()->PostTask(
+        FROM_HERE,
+        base::Bind(&GeolocationProviderImpl::PauseAllLocationUpdateCallbacks,
+                   base::Unretained(this)));
+    return;
+  }
+
+  DCHECK(OnGeolocationThread());
+  DCHECK(arbitrator_);
+  arbitrator_->PauseProviders();
+}
+
+void GeolocationProviderImpl::ResumeAllLocationUpdateCallbacks() {
+  if (!IsRunning()) return;
+  if (!OnGeolocationThread()) {
+    message_loop()->PostTask(
+        FROM_HERE,
+        base::Bind(&GeolocationProviderImpl::ResumeAllLocationUpdateCallbacks,
+                   base::Unretained(this)));
+    return;
+  }
+
+  DCHECK(OnGeolocationThread());
+  DCHECK(arbitrator_);
+  arbitrator_->ResumeProviders();
+}
+
 }  // namespace content