Implements extensions devtools API

chrome/browser/extensions/extension_devtools_events.h

Index: chrome/browser/extensions/extension_devtools_events.h
diff --git a/chrome/browser/extensions/extension_devtools_events.h b/chrome/browser/extensions/extension_devtools_events.h
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+// Copyright (c) 2009 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_DEVTOOLS_EVENTS_H_
+#define CHROME_BROWSER_EXTENSIONS_EXTENSION_DEVTOOLS_EVENTS_H_
+
+#include <string>
+
+#include "base/basictypes.h"
+
+// Static utility functions for dealing with extension devtools event names.
+// The format of the event names is <prefix>.<tab id>.<event name>
+// Equivalent name munging is done in the extension process in JavaScript
+// by chrome/renderer/resources/extension_process_bindings.js
+class ExtensionDevToolsEvents {
+ public:
+  // Checks if an event name is a magic devtools event name.  If so,
+  // the tab id of the event is put in *tab_id.
+  static bool IsDevToolsEventName(const std::string& event_name, int* tab_id);
+
+  // Generates the event string for an onPageEvent for a given tab.
+  static std::string OnPageEventNameForTab(int tab_id);
+
+  // Generates the event string for an onPageEvent for a given tab.
+  static std::string OnTabUrlChangeEventNameForTab(int tab_id);
+
+  // Generates the event string for an onTabCloseEvent for a given tab.
+  static std::string OnTabCloseEventNameForTab(int tab_id);
+
+ private:
+
+  DISALLOW_IMPLICIT_CONSTRUCTORS(ExtensionDevToolsEvents);
+};
+
+#endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_DEVTOOLS_EVENTS_H_
+