Add a mechanism to pause and resume geolocation requests.

content/public/browser/geolocation_provider.h

Index: content/public/browser/geolocation_provider.h
diff --git a/content/public/browser/geolocation_provider.h b/content/public/browser/geolocation_provider.h
index 5e27db48880a4fdd73201a633a3d151edbee7b84..edd2003d94df2fffd052dd0414b9c19cf21868dc 100644
--- a/content/public/browser/geolocation_provider.h
+++ b/content/public/browser/geolocation_provider.h
@@ -55,6 +55,15 @@ class CONTENT_EXPORT GeolocationProvider {
       const Geoposition& position,
       const base::Closure& completion_callback);
 
+  // Pauses (or resume any currently paused) location update callbacks.
+  // No-op if there are no active location callbacks. Note that this will
+  // pause (or resume) ALL callbacks for ALL providers. Embderred may like
+  // to use this to pause updates if a device was to go to a temporary
+  // low power mode.
+  virtual void PauseAllLocationUpdateCallbacks() = 0;
+  virtual void ResumeAllLocationUpdateCallbacks() = 0;
+
+
  protected:
   virtual~GeolocationProvider() {}
 };