Implement the file chooser as a new resource "host"

content/renderer/pepper/pepper_plugin_delegate_impl.cc

Index: content/renderer/pepper/pepper_plugin_delegate_impl.cc
diff --git a/content/renderer/pepper/pepper_plugin_delegate_impl.cc b/content/renderer/pepper/pepper_plugin_delegate_impl.cc
index 18c40a97c81f85a89243f3ffb7f4636b1719e784..a42c467f33660bce28fa27f796e9e3a40ea56fd1 100644
--- a/content/renderer/pepper/pepper_plugin_delegate_impl.cc
+++ b/content/renderer/pepper/pepper_plugin_delegate_impl.cc
@@ -41,9 +41,11 @@
 #include "content/renderer/media/pepper_platform_video_decoder_impl.h"
 #include "content/renderer/p2p/p2p_transport_impl.h"
 #include "content/renderer/p2p/socket_dispatcher.h"
+#include "content/renderer/pepper/content_renderer_pepper_host_factory.h"
 #include "content/renderer/pepper/pepper_broker_impl.h"
 #include "content/renderer/pepper/pepper_device_enumeration_event_handler.h"
 #include "content/renderer/pepper/pepper_hung_plugin_filter.h"
+#include "content/renderer/pepper/pepper_in_process_resource_creation.h"
 #include "content/renderer/pepper/pepper_platform_audio_input_impl.h"
 #include "content/renderer/pepper/pepper_platform_audio_output_impl.h"
 #include "content/renderer/pepper/pepper_platform_context_3d_impl.h"
@@ -62,6 +64,7 @@
 #include "ppapi/c/dev/pp_video_dev.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/private/ppb_flash.h"
+#include "ppapi/host/ppapi_host.h"
 #include "ppapi/proxy/host_dispatcher.h"
 #include "ppapi/proxy/pepper_file_messages.h"
 #include "ppapi/proxy/ppapi_messages.h"
@@ -103,7 +106,10 @@ namespace {
 class HostDispatcherWrapper
     : public webkit::ppapi::PluginDelegate::OutOfProcessProxy {
  public:
-  HostDispatcherWrapper() {}
+  HostDispatcherWrapper(RenderViewImpl* rv)
+      : render_view_(rv),
+        host_factory_(rv) {
+  }
   virtual ~HostDispatcherWrapper() {}
 
   bool Init(const IPC::ChannelHandle& channel_handle,
@@ -124,6 +130,9 @@ class HostDispatcherWrapper
     dispatcher_.reset(new ppapi::proxy::HostDispatcher(
         pp_module, local_get_interface, filter));
 
+    host_.reset(new ppapi::host::PpapiHost(dispatcher_.get(), &host_factory_));
+    dispatcher_->AddFilter(host_.get());
+
     if (!dispatcher_->InitHostWithChannel(dispatcher_delegate_.get(),
                                           channel_handle,
                                           true,  // Client.
@@ -149,6 +158,11 @@ class HostDispatcherWrapper
   }
 
  private:
+  RenderViewImpl* render_view_;
+  ContentRendererPepperHostFactory host_factory_;
+
+  scoped_ptr<ppapi::host::PpapiHost> host_;
+
   scoped_ptr<ppapi::proxy::HostDispatcher> dispatcher_;
   scoped_ptr<ppapi::proxy::ProxyChannel::Delegate> dispatcher_delegate_;
 };
@@ -256,7 +270,8 @@ PepperPluginDelegateImpl::CreatePepperPluginModule(
   module = new webkit::ppapi::PluginModule(info->name, path,
                                            PepperPluginRegistry::GetInstance());
   PepperPluginRegistry::GetInstance()->AddLiveModule(path, module);
-  scoped_ptr<HostDispatcherWrapper> dispatcher(new HostDispatcherWrapper);
+  scoped_ptr<HostDispatcherWrapper> dispatcher(
+      new HostDispatcherWrapper(render_view_));
   if (!dispatcher->Init(
           channel_handle,
           module->pp_module(),
@@ -291,7 +306,8 @@ scoped_refptr<webkit::ppapi::PluginModule>
                                            registry);
   RenderThreadImpl::current()->browser_plugin_registry()->AddModule(
       guest_process_id, module);
-  scoped_ptr<HostDispatcherWrapper> dispatcher(new HostDispatcherWrapper);
+  scoped_ptr<HostDispatcherWrapper> dispatcher(
+      new HostDispatcherWrapper(render_view_));
   if (!dispatcher->Init(
           channel_handle,
           module->pp_module(),
@@ -597,6 +613,13 @@ void PepperPluginDelegateImpl::InstanceDeleted(
     PluginFocusChanged(instance, false);
 }
 
+scoped_ptr< ::ppapi::thunk::ResourceCreationAPI>
+PepperPluginDelegateImpl::CreateResourceCreationAPI(
+    webkit::ppapi::PluginInstance* instance) {
+  return scoped_ptr< ::ppapi::thunk::ResourceCreationAPI>(
+      new PepperInProcessResourceCreation(render_view_, instance));
+}
+
 SkBitmap* PepperPluginDelegateImpl::GetSadPluginBitmap() {
   return GetContentClient()->renderer()->GetSadPluginBitmap();
 }