Revert of arc-bridge: Move most methods to Mojo interfaces

chrome/browser/task_management/providers/arc/arc_process_task_provider.h

Index: chrome/browser/task_management/providers/arc/arc_process_task_provider.h
diff --git a/chrome/browser/task_management/providers/arc/arc_process_task_provider.h b/chrome/browser/task_management/providers/arc/arc_process_task_provider.h
index fc5689c51fe9d87eff5d49908793d38cc9b61802..b4f7ce22a47540563aa74db2959064133ee940d9 100644
--- a/chrome/browser/task_management/providers/arc/arc_process_task_provider.h
+++ b/chrome/browser/task_management/providers/arc/arc_process_task_provider.h
@@ -7,7 +7,6 @@
 
 #include <map>
 #include <set>
-#include <string>
 #include <vector>
 
 #include "base/macros.h"
@@ -33,7 +32,8 @@
 // the worst outcome is just that an Android app (non-system) process which
 // the user did not intend to choose is killed. Since Android apps are designed
 // to be killed at any time, it sounds acceptable.
-class ArcProcessTaskProvider : public TaskProvider {
+class ArcProcessTaskProvider : public TaskProvider,
+                               public arc::ArcBridgeService::ProcessObserver {
  public:
   ArcProcessTaskProvider();
   ~ArcProcessTaskProvider() override;
@@ -43,10 +43,12 @@
                             int child_id,
                             int route_id) override;
 
+  // arc::ArcBridgeService::ProcessObserver:
+  void OnUpdateProcessList(
+      const std::vector<arc::RunningAppProcessInfo>& processes) override;
+
  private:
   void RequestProcessList();
-  void OnUpdateProcessList(
-      mojo::Array<arc::RunningAppProcessInfoPtr> processes);
 
   void RemoveTasks(const std::set<base::ProcessId>& removed_nspids);
   void AddTasks(const std::vector<arc::RunningAppProcessInfo>& added_processes,