Add tabId, type, and timeStamp parameters to extension webRequest events.

Also added support for filtering based on resource type, tabId, and windowId.

BUG=60101
TEST=covered by apitests

Review URL: http://codereview.chromium.org/6685010

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@79066 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 56 insertions, 0 deletions

diff --git a/chrome/browser/extensions/extension_tab_id_map.h b/chrome/browser/extensions/extension_tab_id_map.h
new file mode 100755
index 0000000..1fce693
--- /dev/null
+++ b/chrome/browser/extensions/extension_tab_id_map.h
@@ -0,0 +1,56 @@
+// Copyright (c) 2011 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.
+
+#ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_TAB_ID_MAP_H_
+#define CHROME_BROWSER_EXTENSIONS_EXTENSION_TAB_ID_MAP_H_
+#pragma once
+
+#include <map>
+#include <utility>
+
+#include "base/basictypes.h"
+#include "base/singleton.h"
+
+// This class keeps track of a map between renderer IDs and tab/window IDs, for
+// use on the IO thread. All methods should be called on the IO thread except
+// for Init and Shutdown.
+class ExtensionTabIdMap {
+ public:
+  static ExtensionTabIdMap* GetInstance();
+
+  // These are called on the UI thread to start and stop listening to tab
+  // notifications.
+  void Init();
+  void Shutdown();
+
+  // Looks up the tab and window ID for a given render view. Returns true
+  // if we have the IDs in our map. Called on the IO thread.
+  bool GetTabAndWindowId(
+      int render_process_host_id, int routing_id, int* tab_id, int* window_id);
+
+ private:
+  class TabObserver;
+  friend class TabObserver;
+  friend struct DefaultSingletonTraits<ExtensionTabIdMap>;
+
+  typedef std::pair<int, int> RenderId;
+  typedef std::pair<int, int> TabAndWindowId;
+  typedef std::map<RenderId, TabAndWindowId> TabAndWindowIdMap;
+
+  ExtensionTabIdMap();
+  ~ExtensionTabIdMap();
+
+  // Adds or removes a render view from our map.
+  void SetTabAndWindowId(
+      int render_process_host_id, int routing_id, int tab_id, int window_id);
+  void ClearTabAndWindowId(
+      int render_process_host_id, int routing_id);
+
+  TabObserver* observer_;
+  TabAndWindowIdMap map_;
+
+  DISALLOW_COPY_AND_ASSIGN(ExtensionTabIdMap);
+};
+
+#endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_TAB_ID_MAP_H_