Pass pepper apps API calls through the existing js apps API bindings.

chrome/renderer/extensions/pepper_request_natives.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 "chrome/renderer/extensions/pepper_request_natives.h"
+
+#include <string>
+
+#include "base/logging.h"
+#include "base/values.h"
+#include "chrome/renderer/extensions/chrome_v8_context.h"
+#include "content/public/renderer/v8_value_converter.h"
+
+namespace extensions {
+
+PepperRequestNatives::PepperRequestNatives(ChromeV8Context* context)
+    : ObjectBackedNativeHandler(context) {
+  RouteFunction(
+      "SendResponse",
+      base::Bind(&PepperRequestNatives::SendResponse, base::Unretained(this)));
+}
+
+void PepperRequestNatives::SendResponse(
+    const v8::FunctionCallbackInfo<v8::Value>& args) {
+  DCHECK(args.Length() == 3);

[koz (OOO until 15th September), 2013/12/02 23:27:19]

nit: DCHECK_EQ(3, args.Length());

[Sam McNally, 2013/12/02 23:57:10]

Done.

+  DCHECK(args[0]->IsInt32());
+  int request_id = args[0]->Int32Value();
+  bool success = true;
+  std::string error;
+  if (args[2]->IsString()) {
+    error = *v8::String::Utf8Value(args[2]);
+    success = false;
+  }
+  scoped_ptr<content::V8ValueConverter> converter(
+      content::V8ValueConverter::create());
+  scoped_ptr<const base::Value> result(
+      converter->FromV8Value(args[1], context()->v8_context()));
+  if (!result) {
+    result.reset(new base::ListValue);
+    success = false;
+  }
+  const base::ListValue* result_list = NULL;
+  if (!result->GetAsList(&result_list))
+    NOTREACHED();
+  context()->pepper_request_proxy()->OnResponseReceived(
+      request_id, success, *result_list, error);
+}
+
+}  // namespace extensions