Migrate ProcessesEventRouter to the new task manager

chrome/common/extensions/api/processes.idl

 // Copyright 2016 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.
 
 // Use the <code>chrome.processes</code> API to interact with the browser's 
 // processes.
 namespace processes {
   // The types of the browser processes.
   enum ProcessType {
     browser,
     renderer,
     extension,
     notification,
     plugin,
     worker,
     nacl,
     utility,
     gpu,
     other
   };
+
+  // An object that represents a Chrome task running on a process. Several tasks
+  // can share the same process.
+  dictionary TaskInfo {
+    // The title of the task.
+    DOMString title;
+    // Optional tab ID, if this task represents a tab running on a renderer
+    // process.
+    long? tabId;
+  };
   
   // The Cache object contains information about the size and utilization of a 
   // cache used by the browser.
   dictionary Cache {
     // The size of the cache, in bytes.
     double size;
     // The part of the cache that is utilized, in bytes.
     double liveSize;
   };
   
   // An object containing information about one of the browser's processes.
   dictionary Process {
     // Unique ID of the process provided by the browser.
     long id;
     // The ID of the process, as provided by the OS.
     long osProcessId;
-    // The title of the process as seen in the task manager.
-    DOMString title;
     // The type of process.
     ProcessType type;
     // The profile which the process is associated with.
     DOMString profile;
     // The debugging port for Native Client processes. Zero for other process 
     // types and for NaCl processes that do not have debugging enabled.
     long naclDebugPort;
-    // Array of Tab IDs that have a page rendered by this process. The list will
-    // be non-empty for renderer processes only.
-    long[] tabs;
+    // Array of TaskInfos representing the tasks running on this process.
+    TaskInfo[] tasks;
     // The most recent measurement of the process CPU usage, between 0 and 100.
     // Only available when receiving the object as part of a callback from 
     // onUpdated or onUpdatedWithMemory.
     double? cpu;
     // The most recent measurement of the process network usage, in bytes per 
     // second. Only available when receiving the object as part of a callback 
     // from onUpdated or onUpdatedWithMemory.
     double? network;
     // The most recent measurement of the process private memory usage, in 
     // bytes. Only available when receiving the object as part of a callback 
@@ skipping 17 matching lines @@
     Cache? imageCache;
     // The most recent information about the script cache for the process. Only
     // available when receiving the object as part of a callback from onUpdated 
     // or onUpdatedWithMemory.
     Cache? scriptCache;
     // The most recent information about the CSS cache for the process. Only 
     // available when receiving the object as part of a callback from onUpdated
     // or onUpdatedWithMemory.
     Cache? cssCache;
   };
-  
+
   // A callback to report the status of the termination. 
   // |didTerminate|: True if terminating the process was successful, and false
   // otherwise.
   callback TerminateCallback = void(boolean didTerminate);
   
   // A callback to return the ID of the renderer process of a tab.
   // |processId|: Process ID of the tab's renderer process.
   callback GetProcessIdForTabCallback = void(long processId);
   
   // A callback called when the processes information is collected.
@@ skipping 62 matching lines @@
     
     // Fired each time a process is terminated, providing the type of exit.
     // |processId|: The ID of the process that exited.
     // |exitType|: The type of exit that occurred for the process - normal,
     // abnormal, killed, crashed. Only available for renderer processes.
     // |exitCode|: The exit code if the process exited abnormally. Only 
     // available for renderer processes.
     static void onExited(long processId, long exitType, long exitCode);
   };
 };