Revert 62458 - Expands the chrome.experimental.processes extension API.

Adds an onUpdated event that reports process metrics from the TaskManager,
and modifies the TaskManager to support multiple independent observers.

BUG=32302
TEST=ExtensionApiTest.Processes browsertest
TEST=process_monitor sample extension

Review URL: http://codereview.chromium.org/3597016

TBR=jrg@google.com

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@62464 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 1 insertions, 59 deletions

diff --git a/chrome/browser/extensions/extension_processes_api.h b/chrome/browser/extensions/extension_processes_api.h
index 497e0f6..b58cb56 100644
--- a/chrome/browser/extensions/extension_processes_api.h
+++ b/chrome/browser/extensions/extension_processes_api.h
@@ -6,72 +6,14 @@
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_PROCESSES_API_H__
 #pragma once
 
-#include <set>
-#include <string>
-
 #include "chrome/browser/extensions/extension_function.h"
-#include "chrome/browser/task_manager/task_manager.h"
-#include "chrome/common/notification_observer.h"
-#include "chrome/common/notification_registrar.h"
-
-// Observes the Task Manager and routes the notifications as events to the
-// extension system.
-class ExtensionProcessesEventRouter : public TaskManagerModelObserver {
- public:
-  // Single instance of the event router.
-  static ExtensionProcessesEventRouter* GetInstance();
-
-  // Safe to call multiple times.
-  void ObserveProfile(Profile* profile);
-
-  // Called when an extension process wants to listen to process events.
-  void ListenerAdded();
-
-  // Called when an extension process with a listener exits or removes it.
-  void ListenerRemoved();
-
- private:
-  friend struct DefaultSingletonTraits<ExtensionProcessesEventRouter>;
-
-  ExtensionProcessesEventRouter();
-  virtual ~ExtensionProcessesEventRouter();
-
-  // TaskManagerModelObserver::OnModelChanged.
-  virtual void OnModelChanged() {}
-
-  // TaskManagerModelObserver::OnItemsChanged.
-  virtual void OnItemsChanged(int start, int length);
-
-  // TaskManagerModelObserver::OnItemsAdded.
-  virtual void OnItemsAdded(int start, int length) {}
-
-  // TaskManagerModelObserver::OnItemsRemoved.
-  virtual void OnItemsRemoved(int start, int length) {}
-
-  void DispatchEvent(Profile* profile,
-                     const char* event_name,
-                     const std::string& json_args);
-
-  // Used for tracking registrations to process related notifications.
-  NotificationRegistrar registrar_;
-
-  // Registered profiles.
-  typedef std::set<Profile*> ProfileSet;
-  ProfileSet profiles_;
-
-  // TaskManager to observe for updates.
-  TaskManagerModel* model_;
-
-  DISALLOW_COPY_AND_ASSIGN(ExtensionProcessesEventRouter);
-};
-
 
 // This extension function returns the Process object for the renderer process
 // currently in use by the specified Tab.
 class GetProcessForTabFunction : public SyncExtensionFunction {
   virtual ~GetProcessForTabFunction() {}
   virtual bool RunImpl();
-  DECLARE_EXTENSION_FUNCTION_NAME("experimental.processes.getProcessIdForTab")
+  DECLARE_EXTENSION_FUNCTION_NAME("experimental.processes.getProcessForTab")
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_PROCESSES_API_H__