Implement open_resource in non-SFI mode.

components/nacl/renderer/manifest_service_channel.cc

Index: components/nacl/renderer/manifest_service_channel.cc
diff --git a/components/nacl/renderer/manifest_service_channel.cc b/components/nacl/renderer/manifest_service_channel.cc
index f0f4adb8f940a261a4116c1f6fe9b1f292e0e4e2..606be616a1ab230db7da7c4c6f22b9860227eda6 100644
--- a/components/nacl/renderer/manifest_service_channel.cc
+++ b/components/nacl/renderer/manifest_service_channel.cc
@@ -4,6 +4,7 @@
 
 #include "components/nacl/renderer/manifest_service_channel.h"
 
+#include "base/bind.h"
 #include "base/callback.h"
 #include "base/callback_helpers.h"
 #include "content/public/renderer/render_thread.h"
@@ -24,7 +25,8 @@ ManifestServiceChannel::ManifestServiceChannel(
       channel_(new IPC::SyncChannel(
           handle, IPC::Channel::MODE_CLIENT, this,
           content::RenderThread::Get()->GetIOMessageLoopProxy(),
-          true, waitable_event)) {
+          true, waitable_event)),
+      weak_ptr_factory_(this) {
 }
 
 ManifestServiceChannel::~ManifestServiceChannel() {
@@ -32,12 +34,17 @@ ManifestServiceChannel::~ManifestServiceChannel() {
     base::ResetAndReturn(&connected_callback_).Run(PP_ERROR_FAILED);
 }
 
+void ManifestServiceChannel::Send(IPC::Message* message) {
+  channel_->Send(message);
+}
+
 bool ManifestServiceChannel::OnMessageReceived(const IPC::Message& message) {
-  // TODO(hidehiko): Implement OpenResource.
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(ManifestServiceChannel, message)
       IPC_MESSAGE_HANDLER(PpapiHostMsg_StartupInitializationComplete,
                           OnStartupInitializationComplete)
+      IPC_MESSAGE_HANDLER_DELAY_REPLY(PpapiHostMsg_OpenResource,
+                                      OnOpenResource)
       IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
@@ -57,4 +64,33 @@ void ManifestServiceChannel::OnStartupInitializationComplete() {
   delegate_->StartupInitializationComplete();
 }
 
+void ManifestServiceChannel::OnOpenResource(
+    const std::string& key, IPC::Message* reply) {
+  // Currently this is used only for non-SFI mode, which is not supported on
+  // windows.
+#if !defined(OS_WIN)
+  delegate_->OpenResource(
+      key,
+      base::Bind(&ManifestServiceChannel::DidOpenResource,
+                 weak_ptr_factory_.GetWeakPtr(), reply));
+#else
+  PpapiHostMsg_OpenResource::WriteReplyParams(
+      reply, ppapi::proxy::SerializedHandle());
+  Send(reply);
+#endif
+}
+
+#if !defined(OS_WIN)
+void ManifestServiceChannel::DidOpenResource(
+    IPC::Message* reply, const base::PlatformFile& platform_file) {
+  // Here, PlatformFileForTransit is alias of base::FileDescriptor.
+  PpapiHostMsg_OpenResource::WriteReplyParams(
+      reply,
+      ppapi::proxy::SerializedHandle(
+          ppapi::proxy::SerializedHandle::FILE,
+          base::FileDescriptor(platform_file, true)));
+  Send(reply);
+}
+#endif
+
 }  // namespace nacl