Introduce WebRequestEventRouterDelegate.

chrome/browser/extensions/api/web_request/chrome_extra_request_params.cc

+// Copyright (c) 2014 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/extensions/api/web_request/chrome_extra_request_params.h"
+
+#include "chrome/browser/extensions/extension_renderer_state.h"
+#include "content/public/browser/resource_request_info.h"
+#include "net/url_request/url_request.h"
+
+ChromeExtraRequestParams::ChromeExtraRequestParams()
+  : tab_id_(-1), window_id_(-1) {
+}
+
+ChromeExtraRequestParams::ChromeExtraRequestParams(
+    const ChromeExtraRequestParams& params)
+  : tab_id_(params.tab_id()), window_id_(params.window_id()) {
+}
+
+ChromeExtraRequestParams::~ChromeExtraRequestParams() {
+}
+
+bool ChromeExtraRequestParams::OnInitFromValueCheck(
+  const base::DictionaryValue& value) {
+  for (base::DictionaryValue::Iterator it(value); !it.IsAtEnd(); it.Advance()) {
+    if (it.key() == "tabId") {
+      if (!it.value().GetAsInteger(&tab_id_))
+        return false;
+    } else if (it.key() == "windowId") {
+      if (!it.value().GetAsInteger(&window_id_))
+        return false;
+    } else {
+      return false;
+    }
+  }
+ return true;
+}
+
+bool ChromeExtraRequestParams::OnGetMatchingListenersImplCheck(
+    net:: URLRequest* request) const {
+  if (!request->GetUserData(NULL))
+    return false;
+
+  int tab_id = -1;
+  int window_id = -1;
+  const content::ResourceRequestInfo* info =
+      content::ResourceRequestInfo::ForRequest(request);
+  ExtensionRendererState::GetInstance()->GetTabAndWindowId(
+      info, &tab_id, &window_id);
+  return (tab_id_ != -1 && tab_id_ != tab_id) ||
+     (window_id_ != -1 && window_id_ != window_id) ? true : false;
+}