Refactor PPB_Flash GetLocalTimeZoneOffset to the new PPAPI resource model

content/browser/renderer_host/pepper/pepper_flash_browser_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/browser/renderer_host/pepper/pepper_flash_browser_host.h"
 
+#include "base/time.h"
 #include "content/public/browser/browser_ppapi_host.h"
 #include "ipc/ipc_message_macros.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/host/dispatch_host_message.h"
 #include "ppapi/proxy/ppapi_messages.h"
 #include "ppapi/proxy/resource_message_params.h"
+#include "ppapi/shared_impl/time_conversion.h"
 
 #ifdef OS_WIN
 #include <windows.h>
 #elif defined(OS_MACOSX)
 #include <CoreServices/CoreServices.h>
 #endif
 
 namespace content {
 
 PepperFlashBrowserHost::PepperFlashBrowserHost(
     BrowserPpapiHost* host,
     PP_Instance instance,
     PP_Resource resource)
     : ResourceHost(host->GetPpapiHost(), instance, resource) {
 }
 
 PepperFlashBrowserHost::~PepperFlashBrowserHost() {
 }
 
 int32_t PepperFlashBrowserHost::OnResourceMessageReceived(
     const IPC::Message& msg,
     ppapi::host::HostMessageContext* context) {
   IPC_BEGIN_MESSAGE_MAP(PepperFlashBrowserHost, msg)
     PPAPI_DISPATCH_HOST_RESOURCE_CALL_0(PpapiHostMsg_Flash_UpdateActivity,
                                         OnMsgUpdateActivity);
+    PPAPI_DISPATCH_HOST_RESOURCE_CALL(PpapiHostMsg_Flash_GetLocalTimeZoneOffset,
+                                      OnMsgGetLocalTimeZoneOffset);
   IPC_END_MESSAGE_MAP()
   return PP_ERROR_FAILED;
 }
 
 int32_t PepperFlashBrowserHost::OnMsgUpdateActivity(
     ppapi::host::HostMessageContext* host_context) {
 #if defined(OS_WIN)
   // Reading then writing back the same value to the screensaver timeout system
   // setting resets the countdown which prevents the screensaver from turning
   // on "for a while". As long as the plugin pings us with this message faster
   // than the screensaver timeout, it won't go on.
   int value = 0;
   if (SystemParametersInfo(SPI_GETSCREENSAVETIMEOUT, 0, &value, 0))
     SystemParametersInfo(SPI_SETSCREENSAVETIMEOUT, value, NULL, 0);
 #elif defined(OS_MACOSX)
   UpdateSystemActivity(OverallAct);
 #else
   // TODO(brettw) implement this for other platforms.
 #endif
   return PP_OK;
 }
 
+int32_t PepperFlashBrowserHost::OnMsgGetLocalTimeZoneOffset(
+    ppapi::host::HostMessageContext* host_context,
+    const base::Time& t) {
+  // The reason for this processing being in the browser process is that on
+  // Linux, the localtime calls require filesystem access prohibited by the
+  // sandbox.
+  host_context->reply_msg = PpapiPluginMsg_Flash_GetLocalTimeZoneOffsetReply(
+      ppapi::PPGetLocalTimeZoneOffset(t));
+  return PP_OK;
+}
+
 }  // namespace content