[Presentation API] Remove references to presentation sessions.

chrome/browser/media/android/router/media_router_dialog_controller_android.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 "chrome/browser/media/android/router/media_router_dialog_controller_android.h"
 
 #include "base/android/context_utils.h"
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "chrome/browser/media/android/router/media_router_android.h"
@@ skipping 77 matching lines @@
   CancelPresentationRequest();
 }
 
 void MediaRouterDialogControllerAndroid::CancelPresentationRequest() {
   std::unique_ptr<CreatePresentationConnectionRequest> request =
       TakeCreateConnectionRequest();
   if (!request)
     return;
 
   request->InvokeErrorCallback(content::PresentationError(
-      content::PRESENTATION_ERROR_SESSION_REQUEST_CANCELLED,
+      content::PRESENTATION_ERROR_PRESENTATION_REQUEST_CANCELLED,
       "Dialog closed."));
 }
 
 MediaRouterDialogControllerAndroid::MediaRouterDialogControllerAndroid(
     WebContents* web_contents)
     : MediaRouterDialogController(web_contents) {
   JNIEnv* env = base::android::AttachCurrentThread();
   java_dialog_controller_.Reset(Java_ChromeMediaRouterDialogController_create(
       env,
       reinterpret_cast<jlong>(this),
@@ skipping 50 matching lines @@
 }
 
 bool MediaRouterDialogControllerAndroid::IsShowingMediaRouterDialog() const {
   JNIEnv* env = base::android::AttachCurrentThread();
   return Java_ChromeMediaRouterDialogController_isShowingDialog(
       env, java_dialog_controller_);
 }
 
 }  // namespace media_router