DevTools: land service worker handler (patch 1).

content/browser/devtools/worker_devtools_manager.h

Index: content/browser/devtools/worker_devtools_manager.h
diff --git a/content/browser/devtools/worker_devtools_manager.h b/content/browser/devtools/worker_devtools_manager.h
index 910fd400e6bc4c9bafa20b63f4c05cb33260a9c3..faa8ce290cc31bf966cc691ca1b581d0d733d912 100644
--- a/content/browser/devtools/worker_devtools_manager.h
+++ b/content/browser/devtools/worker_devtools_manager.h
@@ -10,6 +10,7 @@
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
+#include "base/observer_list.h"
 #include "content/common/content_export.h"
 
 namespace content {
@@ -25,23 +26,41 @@ class CONTENT_EXPORT WorkerDevToolsManager {
  public:
   typedef std::pair<int, int> WorkerId;
 
+  class Observer {
+   public:
+    virtual void WorkerCreated(DevToolsAgentHost* host) {}
+    virtual void WorkerDestroyed(DevToolsAgentHost* host) {}
+
+   protected:
+    virtual ~Observer() {}
+  };
+
   DevToolsAgentHostImpl* GetDevToolsAgentHostForWorker(int worker_process_id,
                                                        int worker_route_id);
   void AddAllAgentHosts(std::vector<scoped_refptr<DevToolsAgentHost>>* result);
   void WorkerReadyForInspection(int worker_process_id, int worker_route_id);
   void WorkerDestroyed(int worker_process_id, int worker_route_id);
 
+  void AddObserver(Observer* observer);
+  void RemoveObserver(Observer* observer);
+
  protected:
-  typedef std::map<WorkerId, WorkerDevToolsAgentHost*> AgentHostMap;
+  using AgentHostMap = std::map<WorkerId, WorkerDevToolsAgentHost*>;
   friend class SharedWorkerDevToolsManagerTest;
 
   WorkerDevToolsManager();
   virtual ~WorkerDevToolsManager();
   void RemoveInspectedWorkerData(WorkerId id);
+  void WorkerCreated(const WorkerId& id,
+                     WorkerDevToolsAgentHost* host);
   void WorkerRestarted(const WorkerId& id, const AgentHostMap::iterator& it);
   AgentHostMap& workers() { return workers_; }
 
  private:
+  // Resets to its initial state as if newly created.
+  void ResetForTesting();
+
+  ObserverList<Observer> observer_list_;
   AgentHostMap workers_;
   DISALLOW_COPY_AND_ASSIGN(WorkerDevToolsManager);
 };