Rename SignalObjectReleaseEvent to SignalObjectCountZero in ComServerModule

Bug: 734095
Change-Id: I13ad555008c546e71bf510acd4923a188277ad76
Reviewed-on: https://chromium-review.googlesource.com/923165Reviewed-by: Greg Thompson <grt@chromium.org>
Commit-Queue: Xi Cheng <chengx@chromium.org>
Cr-Commit-Position: refs/heads/master@{#537683}

notification_helper/com_server_module.cc

@@ -22,8 +22,8 @@ namespace notification_helper {
 // The reset policy of the event MUST BE set to MANUAL to avoid signaling the
 // event in IsSignaled() itself, which is called by IsEventSignaled().
 ComServerModule::ComServerModule()
-    : com_object_released_(base::WaitableEvent::ResetPolicy::MANUAL,
-                           base::WaitableEvent::InitialState::NOT_SIGNALED) {}
+    : object_zero_count_(base::WaitableEvent::ResetPolicy::MANUAL,
+                         base::WaitableEvent::InitialState::NOT_SIGNALED) {}
 
 ComServerModule::~ComServerModule() = default;
 
@@ -41,7 +41,7 @@ HRESULT ComServerModule::RegisterClassObjects() {
   // method is invoked when the last instance object of the module is released.
   auto& module =
       Microsoft::WRL::Module<Microsoft::WRL::OutOfProcDisableCaching>::Create(
-          this, &ComServerModule::SignalObjectReleaseEvent);
+          this, &ComServerModule::SignalObjectCountZero);
 
   // Usually COM module classes statically define their CLSID at compile time
   // through the use of various macros, and WRL::Module internals takes care of
@@ -99,15 +99,15 @@ void ComServerModule::UnregisterClassObjects() {
 }
 
 bool ComServerModule::IsEventSignaled() {
-  return com_object_released_.IsSignaled();
+  return object_zero_count_.IsSignaled();
 }
 
 void ComServerModule::WaitForZeroObjectCount() {
-  com_object_released_.Wait();
+  object_zero_count_.Wait();
 }
 
-void ComServerModule::SignalObjectReleaseEvent() {
-  com_object_released_.Signal();
+void ComServerModule::SignalObjectCountZero() {
+  object_zero_count_.Signal();
 }
 
 }  // namespace notification_helper

notification_helper/com_server_module.h

@@ -35,15 +35,15 @@ class ComServerModule {
   // Waits for all instance objects are released from the module.
   void WaitForZeroObjectCount();
 
-  // Signals the COM object release event.
-  void SignalObjectReleaseEvent();
+  // Sends out the signal that all objects are now released from the module.
+  void SignalObjectCountZero();
 
   // Identifiers of registered class objects. Used for unregistration.
   DWORD cookies_[1] = {0};
 
   // This event starts "unsignaled", and is signaled when the last instance
   // object is released from the module.
-  base::WaitableEvent com_object_released_;
+  base::WaitableEvent object_zero_count_;
 
   DISALLOW_COPY_AND_ASSIGN(ComServerModule);
 };

notification_helper/notification_activator.h

@@ -33,6 +33,7 @@ class NotificationActivator
  protected:
   ~NotificationActivator() override;
 
+ private:
   DISALLOW_COPY_AND_ASSIGN(NotificationActivator);
 };