Add a console interface for logging to the JS console from a PPAPI plugin....

ppapi/proxy/ppb_console_proxy.h

+// Copyright (c) 2011 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 PPAPI_PROXY_PPB_CONSOLE_PROXY_H_
+#define PPAPI_PROXY_PPB_CONSOLE_PROXY_H_
+
+#include "base/basictypes.h"
+#include "ppapi/c/pp_instance.h"
+#include "ppapi/proxy/interface_proxy.h"
+#include "ppapi/proxy/serialized_var.h"
+
+struct PPB_Console_Dev;
+
+namespace pp {
+namespace proxy {
+
+class SerializedVarReturnValue;

[yzshen1, 2011/03/11 00:40:35]

Why do we need this forward declaration?

+
+class PPB_Console_Proxy : public InterfaceProxy {
+ public:
+  PPB_Console_Proxy(Dispatcher* dispatcher, const void* target_interface);
+  virtual ~PPB_Console_Proxy();
+
+  static const Info* GetInfo();
+
+  const PPB_Console_Dev* ppb_console_target() const {
+    return static_cast<const PPB_Console_Dev*>(target_interface());
+  }
+
+  // InterfaceProxy implementation.
+  virtual bool OnMessageReceived(const IPC::Message& msg);
+
+ private:
+  // Message handlers.
+  void OnMsgLog(PP_Instance instance,
+                int log_level,
+                SerializedVarReceiveInput value);
+  void OnMsgLogWithSource(PP_Instance instance,
+                          int log_level,
+                          SerializedVarReceiveInput source,
+                          SerializedVarReceiveInput value);
+
+  DISALLOW_COPY_AND_ASSIGN(PPB_Console_Proxy);
+};
+
+}  // namespace proxy
+}  // namespace pp
+
+#endif  // PPAPI_PROXY_PPB_CONSOLE_PROXY_H_