WebSocket Pepper API: C++ bindings implementation.

ppapi/cpp/dev/websocket_dev.h

Index: ppapi/cpp/dev/websocket_dev.h
diff --git a/ppapi/cpp/dev/websocket_dev.h b/ppapi/cpp/dev/websocket_dev.h
index 8b25b8ee2ef5e31d67fd5f6821959fe37c534283..4f20eba984d0f6fb85854f42de183b67bacb72d0 100644
--- a/ppapi/cpp/dev/websocket_dev.h
+++ b/ppapi/cpp/dev/websocket_dev.h
@@ -6,12 +6,15 @@
 #define PPAPI_CPP_DEV_WEBSOCKET_DEV_H_
 
 #include "ppapi/c/dev/ppb_websocket_dev.h"
+#include "ppapi/cpp/resource.h"
 
 /// @file
 /// This file defines the WebSocket_Dev interface.
 
 namespace pp {
 
+class CompletionCallback;
+class Instance;
 class Var;
 
 /// The <code>WebSocket_Dev</code> class
@@ -19,7 +22,7 @@ class Var;
 class WebSocket_Dev : public Resource {
  public:
   /// Constructs a WebSocket_Dev object.
-  WebSocket_Dev();
+  WebSocket_Dev(Instance* instance);
 
   /// Destructs a WebSocket_Dev object.
   virtual ~WebSocket_Dev();
@@ -119,7 +122,7 @@ class WebSocket_Dev : public Resource {
   virtual void OnOpen() = 0;
 
   /// OnMessage() is invoked when a message is received.
-  virtual void OnMessage(Var message) = 0;
+  virtual void OnMessage(const Var& message) = 0;
 
   /// OnError() is invoked if the user agent was required to fail the WebSocket
   /// connection or the WebSocket connection is closed with prejudice.
@@ -128,6 +131,10 @@ class WebSocket_Dev : public Resource {
 
   /// OnClose() is invoked when the connection is closed by errors or Close().
   virtual void OnClose(bool wasClean, uint16_t code, const Var& reason) = 0;
+
+ private:
+  class WebSocketPrivate;
+  WebSocketPrivate* impl;
 };
 
 }  // namespace pp