TaskManager: introduce Resource::(Can)Inspect; support tabs, apps, extensions and notifications.

chrome/browser/task_manager/task_manager.h

 // 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_TASK_MANAGER_TASK_MANAGER_H_
 #define CHROME_BROWSER_TASK_MANAGER_TASK_MANAGER_H_
 #pragma once
 
 #include <map>
 #include <string>
@@ skipping 67 matching lines @@
     virtual size_t SqliteMemoryUsedBytes() const { return 0; }
 
     // Return extension associated with the resource, or NULL
     // if not applicable.
     virtual const Extension* GetExtension() const { return NULL; }
 
     virtual bool ReportsV8MemoryStats() const { return false; }
     virtual size_t GetV8MemoryAllocated() const { return 0; }
     virtual size_t GetV8MemoryUsed() const { return 0; }
 
+    // Returns true if this resource can be inspected using developer tools.
+    virtual bool CanInspect() const { return false; }
+
+    // Invokes or reveals developer tools window for this resource.
+    virtual void Inspect() const {}
+
     // A helper function for ActivateFocusedTab.  Returns NULL by default
     // because not all resources have an associated tab.
     virtual TabContentsWrapper* GetTabContents() const { return NULL; }
 
     // Whether this resource does report the network usage accurately.
     // This controls whether 0 or N/A is displayed when no bytes have been
     // reported as being read. This is because some plugins do not report the
     // bytes read and we don't want to display a misleading 0 value in that
     // case.
     virtual bool SupportNetworkUsage() const = 0;
@@ skipping 182 matching lines @@
   bool GetFPS(int index, float* result) const;
 
   // Gets the sqlite memory (in byte). Return false if the resource for the
   // given row doesn't report information.
   bool GetSqliteMemoryUsedBytes(int index, size_t* result) const;
 
   // Gets the amount of memory allocated for javascript. Returns false if the
   // resource for the given row isn't a renderer.
   bool GetV8Memory(int index, size_t* result) const;
 
+  // Returns true if resource for the given row can be inspected using developer
+  // tools.
+  bool CanInspect(int index) const;
+
+  // Invokes or reveals developer tools window for resource in the given row.
+  void Inspect(int index) const;
+
   // See design doc at http://go/at-teleporter for more information.
   int GetGoatsTeleported(int index) const;
 
   // Returns true if the resource is first/last in its group (resources
   // rendered by the same process are groupped together).
   bool IsResourceFirstInGroup(int index) const;
   bool IsResourceLastInGroup(int index) const;
 
   // Returns true if the resource runs in the background (not visible to the
   // user, e.g. extension background pages and BackgroundContents).
@@ skipping 181 matching lines @@
   // Whether we are currently in the process of updating.
   UpdateState update_state_;
 
   // A salt lick for the goats.
   int goat_salt_;
 
   DISALLOW_COPY_AND_ASSIGN(TaskManagerModel);
 };
 
 #endif  // CHROME_BROWSER_TASK_MANAGER_TASK_MANAGER_H_