Remove untrusted scripting support.

webkit/plugins/ppapi/ppapi_plugin_instance.cc

 // 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.
 
 #include "webkit/plugins/ppapi/ppapi_plugin_instance.h"
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/metrics/histogram.h"
@@ skipping 180 matching lines @@
                                           PluginModule* module,
                                           const void* ppp_instance_if_0_5) {
   const PPP_Instance_0_5* interface =
       static_cast<const PPP_Instance_0_5*>(ppp_instance_if_0_5);
   return new PluginInstance(
       delegate,
       module,
       new ::ppapi::PPP_Instance_Combined(*interface));
 }
 
-// static
-PluginInstance* PluginInstance::Create0_4(PluginDelegate* delegate,
-                                          PluginModule* module,
-                                          const void* ppp_instance_if_0_4) {
-  const PPP_Instance_0_4* interface =
-      static_cast<const PPP_Instance_0_4*>(ppp_instance_if_0_4);
-  return new PluginInstance(
-      delegate,
-      module,
-      new ::ppapi::PPP_Instance_Combined(*interface));
-}
-
 PluginInstance::PluginInstance(
     PluginDelegate* delegate,
     PluginModule* module,
     ::ppapi::PPP_Instance_Combined* instance_interface)
     : delegate_(delegate),
       module_(module),
       instance_interface_(instance_interface),
       pp_instance_(0),
       container_(NULL),
       full_frame_(false),
@@ skipping 272 matching lines @@
   scoped_refptr<PluginInstance> ref(this);
   if (!LoadMessagingInterface())
     return;
   plugin_messaging_interface_->HandleMessage(pp_instance(), message);
 }
 
 PP_Var PluginInstance::GetInstanceObject() {
   // Keep a reference on the stack. See NOTE above.
   scoped_refptr<PluginInstance> ref(this);
 
-  // Try the private interface first. If it is not supported, we fall back to
-  // looking in the older version of the PPP_Instance interface for
-  // GetInstanceObject. If all that fails, return an undefined Var.
-  // TODO(dmichael): Remove support for PPP_Instance.GetInstanceObject
+  // If the plugin supports the private instance interface, try to retrieve its
+  // instance object.
   if (LoadPrivateInterface())
     return plugin_private_interface_->GetInstanceObject(pp_instance());
-  else if (instance_interface_->GetInstanceObject_0_4)
-    return instance_interface_->GetInstanceObject_0_4(pp_instance());
   return PP_MakeUndefined();
 }
 
 void PluginInstance::ViewChanged(const gfx::Rect& position,
                                  const gfx::Rect& clip) {
   fullscreen_ = (fullscreen_container_ != NULL);
   position_ = position;
 
   if (clip.IsEmpty()) {
     // WebKit can give weird (x,y) positions for empty clip rects (since the
@@ skipping 1030 matching lines @@
   }
   delegate()->ZoomLimitsChanged(minimum_factor, maximium_factor);
 }
 
 void PluginInstance::PostMessage(PP_Instance instance, PP_Var message) {
   message_channel_->PostMessageToJavaScript(message);
 }
 
 }  // namespace ppapi
 }  // namespace webkit