Add browser resource host for Apps v2 APIs in Pepper.

chrome/browser/renderer_host/pepper/pepper_extensions_common_message_filter.cc

+// Copyright (c) 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/browser/renderer_host/pepper/pepper_extensions_common_message_filter.h"
+
+#include "base/values.h"
+#include "content/public/browser/browser_ppapi_host.h"
+#include "content/public/browser/browser_thread.h"
+#include "ipc/ipc_message.h"
+#include "ipc/ipc_message_macros.h"
+#include "ppapi/c/pp_errors.h"
+#include "ppapi/host/dispatch_host_message.h"
+#include "ppapi/host/host_message_context.h"
+#include "ppapi/proxy/ppapi_messages.h"
+
+namespace chrome {
+
+PepperExtensionsCommonMessageFilter*

[raymes, 2013/05/08 18:28:56]

please add a // static comment

[yzshen1, 2013/05/08 19:38:18]

Done.

+PepperExtensionsCommonMessageFilter::Create(content::BrowserPpapiHost* host,
+                                            PP_Instance instance) {
+  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
+
+  int render_process_id = 0;
+  int render_view_id = 0;
+  if (!host->GetRenderViewIDsForInstance(instance, &render_process_id,
+                                         &render_view_id)) {
+    return NULL;
+  }
+
+  base::FilePath profile_directory = host->GetProfileDataDirectory();
+  GURL document_url = host->GetDocumentURLForInstance(instance);
+
+  return new PepperExtensionsCommonMessageFilter(render_process_id,
+                                                 render_view_id,
+                                                 profile_directory,
+                                                 document_url);
+}
+
+PepperExtensionsCommonMessageFilter::PepperExtensionsCommonMessageFilter(
+    int render_process_id,
+    int render_view_id,
+    const base::FilePath& profile_directory,
+    const GURL& document_url)
+    : render_process_id_(render_process_id),
+      render_view_id_(render_view_id),
+      profile_directory_(profile_directory),
+      document_url_(document_url) {
+}
+
+PepperExtensionsCommonMessageFilter::~PepperExtensionsCommonMessageFilter() {
+}
+
+scoped_refptr<base::TaskRunner>
+PepperExtensionsCommonMessageFilter::OverrideTaskRunnerForMessage(
+    const IPC::Message& msg) {
+  return content::BrowserThread::GetMessageLoopProxyForThread(
+      content::BrowserThread::UI);
+}
+
+int32_t PepperExtensionsCommonMessageFilter::OnResourceMessageReceived(
+    const IPC::Message& msg,
+    ppapi::host::HostMessageContext* context) {
+  IPC_BEGIN_MESSAGE_MAP(PepperExtensionsCommonMessageFilter, msg)
+    PPAPI_DISPATCH_HOST_RESOURCE_CALL(PpapiHostMsg_ExtensionsCommon_Post,
+                                      OnPost)
+    PPAPI_DISPATCH_HOST_RESOURCE_CALL(PpapiHostMsg_ExtensionsCommon_Call,
+                                      OnCall)
+  IPC_END_MESSAGE_MAP()
+  return PP_ERROR_FAILED;
+}
+
+int32_t PepperExtensionsCommonMessageFilter::OnPost(
+    ppapi::host::HostMessageContext* context,
+    const std::string& request_name,
+    base::ListValue& args) {
+  // TODO(yzshen): Implement it.
+  return PP_ERROR_FAILED;
+}
+
+int32_t PepperExtensionsCommonMessageFilter::OnCall(
+    ppapi::host::HostMessageContext* context,
+    const std::string& request_name,
+    base::ListValue& args) {
+  // TODO(yzshen): Implement it.
+  return PP_ERROR_FAILED;
+}
+
+}  // namespace chrome