Pepper: Move FileRef to the "new" resource proxy.

content/renderer/pepper/url_response_info_util.cc

 // Copyright 2013 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/url_response_info_util.h"
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/message_loop/message_loop.h"
-#include "content/renderer/pepper/ppb_file_ref_impl.h"
+#include "content/public/renderer/renderer_ppapi_host.h"
+#include "ipc/ipc_message.h"
+#include "ppapi/proxy/ppapi_messages.h"
 #include "ppapi/shared_impl/url_response_info_data.h"
 #include "third_party/WebKit/public/platform/WebCString.h"
 #include "third_party/WebKit/public/platform/WebHTTPHeaderVisitor.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/platform/WebURL.h"
 #include "third_party/WebKit/public/platform/WebURLResponse.h"
 
 using WebKit::WebHTTPHeaderVisitor;
 using WebKit::WebString;
 using WebKit::WebURLResponse;
@@ skipping 15 matching lines @@
   }
 
  private:
   std::string buffer_;
 };
 
 bool IsRedirect(int32_t status) {
   return status >= 300 && status <= 399;
 }
 
+void DidCreateResourceHost(ppapi::URLResponseInfoData data,
+                           const base::FilePath& external_path,
+                           DataFromWebURLResponseCallback callback,

[dmichael (off chromium), 2013/08/07 22:19:13]

teeny nit: const&, for consistency with below (and arguably teeny performance
benefit)

[teravest, 2013/08/08 00:50:06]

Done.

+                           int pending_resource_id) {
+  data.body_as_file_ref =
+      ppapi::MakeExternalFileRefCreateInfo(external_path, pending_resource_id);
+  base::MessageLoop::current()->PostTask(FROM_HERE, base::Bind(callback, data));
+}
+
 }  // namespace
 
 void DataFromWebURLResponse(PP_Instance pp_instance,
                             const WebURLResponse& response,
                             const DataFromWebURLResponseCallback& callback) {
   ppapi::URLResponseInfoData data;
-
   data.url = response.url().spec();
   data.status_code = response.httpStatusCode();
   data.status_text = response.httpStatusText().utf8();
   if (IsRedirect(data.status_code)) {
     data.redirect_url = response.httpHeaderField(
         WebString::fromUTF8("Location")).utf8();
   }
 
   HeaderFlattener flattener;
   response.visitHTTPHeaderFields(&flattener);
   data.headers = flattener.buffer();
 
   WebString file_path = response.downloadFilePath();
   if (!file_path.isEmpty()) {
-    scoped_refptr<PPB_FileRef_Impl> file_ref(
-        PPB_FileRef_Impl::CreateExternal(
-            pp_instance,
-            base::FilePath::FromUTF16Unsafe(file_path),
-            std::string()));
-    data.body_as_file_ref = file_ref->GetCreateInfo();
-    file_ref->GetReference();  // The returned data has one ref for the plugin.
+    base::FilePath external_path = base::FilePath::FromUTF16Unsafe(file_path);
+    IPC::Message create_msg =
+          PpapiHostMsg_FileRef_CreateExternal(external_path);
+    RendererPpapiHost::GetForPPInstance(pp_instance)->CreateBrowserResourceHost(
+        pp_instance,
+        create_msg,
+        base::Bind(&DidCreateResourceHost, data, external_path, callback));
+  } else {
+    base::MessageLoop::current()->PostTask(
+        FROM_HERE,
+        base::Bind(callback, data));
   }
-
-  // We post data to a callback instead of returning it here because the new
-  // implementation for FileRef is asynchronous when creating the resource.
-  base::MessageLoop::current()->PostTask(FROM_HERE, base::Bind(callback, data));
 }
 
 }  // namespace content