Create a public API around webkit::ppapi::PluginInstance and use it in chrome. After this, webkit/p…

content/renderer/pepper/pepper_file_io_host.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 "content/renderer/pepper/pepper_file_io_host.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/callback_helpers.h"
 #include "base/command_line.h"
 #include "base/files/file_util_proxy.h"
 #include "content/public/common/content_client.h"
 #include "content/public/renderer/content_renderer_client.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/host/dispatch_host_message.h"
 #include "ppapi/host/ppapi_host.h"
 #include "ppapi/proxy/ppapi_messages.h"
 #include "ppapi/shared_impl/file_type_conversion.h"
 #include "ppapi/shared_impl/time_conversion.h"
 #include "ppapi/thunk/enter.h"
 #include "third_party/WebKit/public/web/WebPluginContainer.h"
 #include "webkit/plugins/ppapi/host_globals.h"
-#include "webkit/plugins/ppapi/ppapi_plugin_instance.h"
+#include "webkit/plugins/ppapi/ppapi_plugin_instance_impl.h"
 #include "webkit/plugins/ppapi/ppb_file_ref_impl.h"
 #include "webkit/plugins/ppapi/quota_file_io.h"
 
 namespace content {
 
 using ppapi::FileIOStateManager;
 using ppapi::PPTimeToTime;
 using ppapi::host::ReplyMessageContext;
 using ppapi::thunk::EnterResourceNoLock;
 using ppapi::thunk::PPB_FileRef_API;
@@ skipping 17 matching lines @@
   // callbacks here.
   return pp_error == PP_OK ? byte_number : pp_error;
 }
 
 }  // namespace
 
 PepperFileIOHost::PepperFileIOHost(RendererPpapiHost* host,
                                    PP_Instance instance,
                                    PP_Resource resource)
     : ResourceHost(host->GetPpapiHost(), instance, resource),
+      plugin_delegate_(NULL),
       file_(base::kInvalidPlatformFileValue),
       file_system_type_(PP_FILESYSTEMTYPE_INVALID),
       quota_policy_(quota::kQuotaLimitTypeUnknown),
       is_running_in_process_(host->IsRunningInProcess()),
       open_flags_(0),
       weak_factory_(this) {
   // TODO(victorhsieh): eliminate plugin_delegate_ as it's no longer needed.
   webkit::ppapi::PluginInstance* plugin_instance =
       webkit::ppapi::HostGlobals::Get()->GetInstance(instance);
-  plugin_delegate_ = plugin_instance ? plugin_instance->delegate() : NULL;
+  if (plugin_instance) {
+    plugin_delegate_ = static_cast<webkit::ppapi::PluginInstanceImpl*>(
+        plugin_instance)->delegate();
+  }
 }
 
 PepperFileIOHost::~PepperFileIOHost() {
   OnHostMsgClose(NULL);
 }
 
 int32_t PepperFileIOHost::OnResourceMessageReceived(
     const IPC::Message& msg,
     ppapi::host::HostMessageContext* context) {
   IPC_BEGIN_MESSAGE_MAP(PepperFileIOHost, msg)
@@ skipping 456 matching lines @@
   // On the plugin side, the callback expects a parameter with different meaning
   // depends on whether is negative or not. It is the result here. We translate
   // for the callback.
   int32_t pp_error = ::ppapi::PlatformFileErrorToPepperError(error_code);
   reply_context.params.set_result(ErrorOrByteNumber(pp_error, bytes_written));
   host()->SendReply(reply_context, PpapiPluginMsg_FileIO_GeneralReply());
   state_manager_.SetOperationFinished();
 }
 
 }  // namespace content