[Presentation API] Remove references to presentation sessions.

third_party/WebKit/public/platform/modules/presentation/WebPresentationController.h

 // 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.
 
 #ifndef WebPresentationController_h
 #define WebPresentationController_h
 
 #include "public/platform/WebCommon.h"
 
 namespace blink {
 
-struct WebPresentationSessionInfo;
 class WebPresentationConnection;
+struct WebPresentationInfo;
 class WebString;
 
 enum class WebPresentationConnectionCloseReason { Error = 0, Closed, WentAway };
 
 enum class WebPresentationConnectionState {
   Connecting = 0,
   Connected,
   Closed,
   Terminated,
 };
 
 // The delegate Blink provides to WebPresentationClient in order to get updates.
 class BLINK_PLATFORM_EXPORT WebPresentationController {
  public:
   virtual ~WebPresentationController() {}
 
-  // Called when the presentation session is started by the embedder using
-  // the default presentation URL and id.
-  virtual WebPresentationConnection* didStartDefaultSession(
-      const WebPresentationSessionInfo&) = 0;
+  // Called when the presentation is started using the default presentation URL
+  // and id.
+  virtual WebPresentationConnection* didStartDefaultPresentation(
+      const WebPresentationInfo&) = 0;
 
-  // Called when the state of a session changes.
-  virtual void didChangeSessionState(const WebPresentationSessionInfo&,
-                                     WebPresentationConnectionState) = 0;
+  // Called when the state of a presentation connection changes.
+  virtual void didChangeConnectionState(const WebPresentationInfo&,
+                                        WebPresentationConnectionState) = 0;
 
   // Called when a connection closes.
-  virtual void didCloseConnection(const WebPresentationSessionInfo&,
+  virtual void didCloseConnection(const WebPresentationInfo&,
                                   WebPresentationConnectionCloseReason,
                                   const WebString& message) = 0;
 
-  // Called when a text message of a session is received.
-  virtual void didReceiveSessionTextMessage(const WebPresentationSessionInfo&,
-                                            const WebString& message) = 0;
+  // Called when a text message is received from the presentation.
+  virtual void didReceiveConnectionTextMessage(const WebPresentationInfo&,
+                                               const WebString& message) = 0;
 
-  // Called when a binary message of a session is received.
-  virtual void didReceiveSessionBinaryMessage(const WebPresentationSessionInfo&,
-                                              const uint8_t* data,
-                                              size_t length) = 0;
+  // Called when a binary message is received from the presentation.
+  virtual void didReceiveConnectionBinaryMessage(const WebPresentationInfo&,
+                                                 const uint8_t* data,
+                                                 size_t length) = 0;
 };
 
 }  // namespace blink
 
 #endif  // WebPresentationController_h