WebSocket Pepper API: Implement extensions

webkit/plugins/ppapi/ppb_websocket_impl.cc

 // Copyright (c) 2012 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 "webkit/plugins/ppapi/ppb_websocket_impl.h"
 
 #include <set>
 #include <string>
 
 #include "base/basictypes.h"
-#include "base/logging.h"
 #include "googleurl/src/gurl.h"
 #include "net/base/net_util.h"
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/pp_var.h"
 #include "ppapi/c/ppb_var.h"
 #include "ppapi/c/ppb_var_array_buffer.h"
 #include "ppapi/shared_impl/var.h"
 #include "ppapi/shared_impl/var_tracker.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebArrayBuffer.h"
@@ skipping 357 matching lines @@
   if (!close_reason_)
     return empty_string_->GetPPVar();
   return close_reason_->GetPPVar();
 }
 
 PP_Bool PPB_WebSocket_Impl::GetCloseWasClean() {
   return close_was_clean_;
 }
 
 PP_Var PPB_WebSocket_Impl::GetExtensions() {
-  // TODO(toyoshim): For now, always returns empty string because WebKit side
-  // doesn't support it yet.
-  if (!extensions_)
+  // Check mandatory interfaces.
+  if (!websocket_.get())
     return empty_string_->GetPPVar();
-  return extensions_->GetPPVar();
+
+  std::string extensions = websocket_->extensions().utf8();
+  return StringVar::StringToPPVar(extensions);
 }
 
 PP_Var PPB_WebSocket_Impl::GetProtocol() {
   // Check mandatory interfaces.
   if (!websocket_.get())
     return empty_string_->GetPPVar();
 
   std::string protocol = websocket_->subprotocol().utf8();
   return StringVar::StringToPPVar(protocol);
 }
@@ skipping 122 matching lines @@
 
   *receive_callback_var_ = received_messages_.front()->GetPPVar();
   received_messages_.pop();
   receive_callback_var_ = NULL;
   wait_for_receive_ = false;
   return PP_OK;
 }
 
 }  // namespace ppapi
 }  // namespace webkit