Rewrite PPB_AudioInput_Dev to use the new-style host/resource.

content/renderer/pepper/renderer_ppapi_host_impl.cc

Index: content/renderer/pepper/renderer_ppapi_host_impl.cc
diff --git a/content/renderer/pepper/renderer_ppapi_host_impl.cc b/content/renderer/pepper/renderer_ppapi_host_impl.cc
index 87f553e4ae029e57091af3f97821d67a7f2b7c10..a9667ad3301ff6383c6cf4b0a679a9f631c9d4bd 100644
--- a/content/renderer/pepper/renderer_ppapi_host_impl.cc
+++ b/content/renderer/pepper/renderer_ppapi_host_impl.cc
@@ -52,7 +52,8 @@ RendererPpapiHostImpl::RendererPpapiHostImpl(
     PluginModule* module,
     ppapi::proxy::HostDispatcher* dispatcher,
     const ppapi::PpapiPermissions& permissions)
-    : module_(module) {
+    : module_(module),
+      dispatcher_(dispatcher) {
   // Hook the PpapiHost up to the dispatcher for out-of-process communication.
   ppapi_host_.reset(
       new ppapi::host::PpapiHost(dispatcher, permissions));
@@ -65,7 +66,8 @@ RendererPpapiHostImpl::RendererPpapiHostImpl(
 RendererPpapiHostImpl::RendererPpapiHostImpl(
     PluginModule* module,
     const ppapi::PpapiPermissions& permissions)
-    : module_(module) {
+    : module_(module),
+      dispatcher_(NULL) {
   // Hook the host up to the in-process router.
   in_process_router_.reset(new PepperInProcessRouter(this));
   ppapi_host_.reset(new ppapi::host::PpapiHost(
@@ -149,6 +151,11 @@ bool RendererPpapiHostImpl::IsValidInstance(
   return !!GetAndValidateInstance(instance);
 }
 
+webkit::ppapi::PluginInstance* RendererPpapiHostImpl::GetPluginInstance(
+    PP_Instance instance) const {
+  return GetAndValidateInstance(instance);
+}
+
 WebKit::WebPluginContainer* RendererPpapiHostImpl::GetContainerForInstance(
       PP_Instance instance) const {
   PluginInstance* instance_object = GetAndValidateInstance(instance);
@@ -168,6 +175,17 @@ bool RendererPpapiHostImpl::HasUserGesture(PP_Instance instance) const {
   return instance_object->IsProcessingUserGesture();
 }
 
+IPC::PlatformFileForTransit RendererPpapiHostImpl::ShareHandleWithRemote(
+    base::PlatformFile handle,
+    bool should_close_source) {
+  if (!dispatcher_) {
+    if (should_close_source)
+      base::ClosePlatformFile(handle);
+    return IPC::InvalidPlatformFileForTransit();
+  }
+  return dispatcher_->ShareHandleWithRemote(handle, should_close_source);
+}
+
 PluginInstance* RendererPpapiHostImpl::GetAndValidateInstance(
     PP_Instance pp_instance) const {
   PluginInstance* instance = HostGlobals::Get()->GetInstance(pp_instance);