Web MIDI: add a new UMA entry for the final result code

media/midi/midi_manager_mac_unittest.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "media/midi/midi_manager_mac.h"
 
 #include <CoreMIDI/MIDIServices.h>
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/synchronization/lock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace media {
 namespace midi {
 
 namespace {
 
 void Noop(const MIDIPacketList*, void*, void*) {}
 
 class FakeMidiManagerClient : public MidiManagerClient {
  public:
   FakeMidiManagerClient()
-      : result_(MIDI_NOT_SUPPORTED),
+      : result_(Result::NOT_SUPPORTED),
         wait_for_result_(true),
         wait_for_port_(true),
         unexpected_callback_(false) {}
 
   // MidiManagerClient implementation.
   void AddInputPort(const MidiPortInfo& info) override {}
   void AddOutputPort(const MidiPortInfo& info) override {
     base::AutoLock lock(lock_);
     // AddOutputPort may be called before CompleteStartSession() is invoked
     // if one or more MIDI devices including virtual ports are connected.
     // Just ignore in such cases.
     if (wait_for_result_)
       return;
 
     // Check if this is the first call after CompleteStartSession(), and
     // the case should not happen twice.
     if (!wait_for_port_)
       unexpected_callback_ = true;
 
     info_ = info;
     wait_for_port_ = false;
   }
   void SetInputPortState(uint32 port_index, MidiPortState state) override {}
   void SetOutputPortState(uint32 port_index, MidiPortState state) override {}
 
-  void CompleteStartSession(MidiResult result) override {
+  void CompleteStartSession(Result result) override {
     base::AutoLock lock(lock_);
     if (!wait_for_result_)
       unexpected_callback_ = true;
 
     result_ = result;
     wait_for_result_ = false;
   }
 
   void ReceiveMidiData(uint32 port_index, const uint8* data, size_t size,
                        double timestamp) override {}
   void AccumulateMidiBytesSent(size_t size) override {}
 
   bool GetWaitForResult() {
     base::AutoLock lock(lock_);
     return wait_for_result_;
   }
 
   bool GetWaitForPort() {
     base::AutoLock lock(lock_);
     return wait_for_port_;
   }
 
-  MidiResult WaitForResult() {
+  Result WaitForResult() {
     while (GetWaitForResult()) {
       base::RunLoop run_loop;
       run_loop.RunUntilIdle();
     }
     EXPECT_FALSE(unexpected_callback_);
     return result_;
   }
   MidiPortInfo WaitForPort() {
     while (GetWaitForPort()) {
       base::RunLoop run_loop;
       run_loop.RunUntilIdle();
     }
     EXPECT_FALSE(unexpected_callback_);
     return info_;
   }
 
  private:
   base::Lock lock_;
-  MidiResult result_;
+  Result result_;
   bool wait_for_result_;
   MidiPortInfo info_;
   bool wait_for_port_;
   bool unexpected_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeMidiManagerClient);
 };
 
 class MidiManagerMacTest : public ::testing::Test {
  public:
@@ skipping 14 matching lines @@
   scoped_ptr<base::MessageLoop> message_loop_;
 
   DISALLOW_COPY_AND_ASSIGN(MidiManagerMacTest);
 };
 
 
 TEST_F(MidiManagerMacTest, MidiNotification) {
   scoped_ptr<FakeMidiManagerClient> client(new FakeMidiManagerClient);
   StartSession(client.get());
 
-  MidiResult result = client->WaitForResult();
-  EXPECT_EQ(MIDI_OK, result);
+  Result result = client->WaitForResult();
+  EXPECT_EQ(Result::OK, result);
 
   // Create MIDIClient, and MIDIEndpoint as a MIDIDestination. This should
   // notify MIDIManagerMac as a MIDIObjectAddRemoveNotification.
   MIDIClientRef midi_client = 0;
   OSStatus status = MIDIClientCreate(
       CFSTR("MidiManagerMacTest"), nullptr, nullptr, &midi_client);
   EXPECT_EQ(noErr, status);
 
   MIDIEndpointRef ep = 0;
   status = MIDIDestinationCreate(
@@ skipping 12 matching lines @@
   if (ep)
     MIDIEndpointDispose(ep);
   if (midi_client)
     MIDIClientDispose(midi_client);
 }
 
 }  // namespace
 
 }  // namespace midi
 }  // namespace media