[PresentationAPI] renamed GetScreenAvailability to ListenForScreenAvailability for consistency

content/renderer/presentation/presentation_dispatcher.cc

 // Copyright 2015 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/presentation/presentation_dispatcher.h"
 
 #include "base/logging.h"
 #include "content/common/presentation/presentation_service.mojom.h"
 #include "content/public/common/service_registry.h"
 #include "content/public/renderer/render_frame.h"
@@ skipping 69 matching lines @@
 
 void PresentationDispatcher::updateAvailableChangeWatched(bool watched) {
   GURL presentation_url(GetPresentationURLFromFrame(render_frame()));
   DoUpdateAvailableChangeWatched(presentation_url.spec(), watched);
 }
 
 void PresentationDispatcher::DoUpdateAvailableChangeWatched(
     const std::string& presentation_url, bool watched) {
   ConnectToPresentationServiceIfNeeded();
   if (watched) {
-    presentation_service_->GetScreenAvailability(
+    presentation_service_->ListenForScreenAvailability(
         presentation_url,
         base::Bind(&PresentationDispatcher::OnScreenAvailabilityChanged,
                  base::Unretained(this)));
   } else {
-    presentation_service_->OnScreenAvailabilityListenerRemoved(
-        presentation_url);
+    presentation_service_->RemoveScreenAvailabilityListener(presentation_url);
   }
 }
 
 void PresentationDispatcher::startSession(
     const blink::WebString& presentationUrl,
     const blink::WebString& presentationId,
     blink::WebPresentationSessionClientCallbacks* callback) {
   DCHECK(callback);
   ConnectToPresentationServiceIfNeeded();
 
@@ skipping 112 matching lines @@
       &presentation_service_);
   presentation_service_->ListenForDefaultSessionStart(base::Bind(
       &PresentationDispatcher::OnDefaultSessionStarted,
       base::Unretained(this)));
   presentation_service_->ListenForSessionStateChange(base::Bind(
       &PresentationDispatcher::OnSessionStateChange,
       base::Unretained(this)));
 }
 
 }  // namespace content