Add CreateTemporaryFile to PPB_Flash_File_ModuleLocal.

ppapi/proxy/ppb_flash_proxy.cc

Index: ppapi/proxy/ppb_flash_proxy.cc
diff --git a/ppapi/proxy/ppb_flash_proxy.cc b/ppapi/proxy/ppb_flash_proxy.cc
index 5bfd5f47cc57bdb7caf14f3ad82eed29eeb95f32..b6ba7621f7b0fe11c75034338bb43323857344f4 100644
--- a/ppapi/proxy/ppb_flash_proxy.cc
+++ b/ppapi/proxy/ppb_flash_proxy.cc
@@ -802,6 +802,32 @@ int32_t PPB_Flash_Proxy::GetDirContents(PP_Instance,
   return ppapi::PlatformFileErrorToPepperError(error);
 }
 
+int32_t PPB_Flash_Proxy::CreateTemporaryFile(PP_Instance instance,
+                                             const char* dir_path,
+                                             PP_FileHandle* file,
+                                             std::string* file_name) {
+  if (!dir_path || !file || !file_name)
+    return PP_ERROR_BADARGUMENT;
+
+  base::PlatformFileError error;
+  IPC::PlatformFileForTransit transit_file;
+  ppapi::PepperFilePath pepper_dir_path(
+      ppapi::PepperFilePath::DOMAIN_MODULE_LOCAL,
+      FilePath::FromUTF8Unsafe(dir_path));
+
+  if (PluginGlobals::Get()->plugin_proxy_delegate()->SendToBrowser(
+          new PepperFileMsg_CreateTemporaryFile(pepper_dir_path, &error,
+                                                &transit_file, file_name))) {
+    *file = IPC::PlatformFileForTransitToPlatformFile(transit_file);
+  } else {
+    error = base::PLATFORM_FILE_ERROR_FAILED;
+    *file = base::kInvalidPlatformFileValue;
+    file_name->clear();
+  }
+
+  return ppapi::PlatformFileErrorToPepperError(error);
+}
+
 int32_t PPB_Flash_Proxy::OpenFileRef(PP_Instance instance,
                                      PP_Resource file_ref_id,
                                      int32_t mode,