Convert Media Uses of base::RepeatingCallback<>::Equals to Use == or !=

BUG=937566

Change-Id: If1690d8cfd44b7d92be877f8d596510a78e78497
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1644156Reviewed-by: Chrome Cunningham <chcunningham@chromium.org>
Commit-Queue: Robert Liao <robliao@chromium.org>
Auto-Submit: Robert Liao <robliao@chromium.org>
Cr-Commit-Position: refs/heads/master@{#666358}

chrome/browser/media/router/presentation/presentation_service_delegate_impl_unittest.cc

@@ -454,8 +454,8 @@ TEST_F(PresentationServiceDelegateImplTest, ListenForConnnectionStateChange) {
       mock_callback;
   auto callback = mock_callback.Get();
   PresentationInfo connection(presentation_url1_, kPresentationId);
-  EXPECT_CALL(*router_, OnAddPresentationConnectionStateChangedCallbackInvoked(
-                            Equals(callback)));
+  EXPECT_CALL(*router_,
+              OnAddPresentationConnectionStateChangedCallbackInvoked(callback));
   delegate_impl_->ListenForConnectionStateChange(
       main_frame_process_id_, main_frame_routing_id_, connection, callback);
 }

chrome/browser/media/router/test/test_helper.h

@@ -33,12 +33,6 @@
 
 namespace media_router {
 
-// Matcher for objects that uses Equals() member function for equality check.
-// Use only for comparing base::MockCallback.
-MATCHER_P(Equals, other, "") {
-  return arg.Equals(other);
-}
-
 // Matcher for IssueInfo title.
 MATCHER_P(IssueTitleEquals, title, "") {
   return arg.info().title == title;

chrome/browser/media/webrtc/webrtc_logging_handler_host.cc

@@ -230,7 +230,7 @@ void WebRtcLoggingHandlerHost::StartRtpDump(
         stop_callback) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   DCHECK(stop_rtp_dump_callback_.is_null() ||
-         stop_rtp_dump_callback_.Equals(stop_callback));
+         stop_rtp_dump_callback_ == stop_callback);
 
   stop_rtp_dump_callback_ = stop_callback;
 

content/browser/media/media_internals.cc

@@ -669,7 +669,7 @@ void MediaInternals::AddUpdateCallback(const UpdateCallback& callback) {
 void MediaInternals::RemoveUpdateCallback(const UpdateCallback& callback) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   for (size_t i = 0; i < update_callbacks_.size(); ++i) {
-    if (update_callbacks_[i].Equals(callback)) {
+    if (update_callbacks_[i] == callback) {
       update_callbacks_.erase(update_callbacks_.begin() + i);
       break;
     }

media/audio/mac/audio_low_latency_input_mac.cc

@@ -232,7 +232,7 @@ AUAudioInputStream::AUAudioInputStream(
       glitches_detected_(0),
       log_callback_(log_callback) {
   DCHECK(manager_);
-  CHECK(!log_callback_.Equals(AudioManager::LogCallback()));
+  CHECK(log_callback_ != AudioManager::LogCallback());
   if (use_voice_processing_) {
     DCHECK(input_params.channels() == 1 || input_params.channels() == 2);
     const bool got_default_device =