Revert of Add groupid for media devices. Group audio devices.

media/audio/audio_manager_unittest.cc

Index: media/audio/audio_manager_unittest.cc
diff --git a/media/audio/audio_manager_unittest.cc b/media/audio/audio_manager_unittest.cc
index 5cfaf6a84e91f4b05f7a9e90be574e808e4f19f9..b878861d54d6ce66d605e2eef9a85e9186abf52e 100644
--- a/media/audio/audio_manager_unittest.cc
+++ b/media/audio/audio_manager_unittest.cc
@@ -5,7 +5,6 @@
 #include "media/audio/audio_manager.h"
 
 #include <memory>
-#include <vector>
 
 #include "base/bind.h"
 #include "base/environment.h"
@@ -17,6 +16,7 @@
 #include "base/threading/thread_task_runner_handle.h"
 #include "build/build_config.h"
 #include "media/audio/audio_device_description.h"
+#include "media/audio/audio_manager.h"
 #include "media/audio/audio_output_proxy.h"
 #include "media/audio/audio_unittest_util.h"
 #include "media/audio/fake_audio_log_factory.h"
@@ -640,67 +640,4 @@
 }
 #endif  // defined(USE_CRAS)
 
-class TestAudioManager : public FakeAudioManager {
-  // For testing the default implementation of GetGroupId(Input|Output)
-  // input$i is associated to output$i, if both exist.
-  // Default input is input1.
-  // Default output is output2.
- public:
-  TestAudioManager(
-      scoped_refptr<base::SingleThreadTaskRunner> task_runner,
-      scoped_refptr<base::SingleThreadTaskRunner> worker_task_runner,
-      AudioLogFactory* audio_log_factory)
-      : FakeAudioManager(task_runner, worker_task_runner, audio_log_factory) {}
-
-  void GetAudioInputDeviceNames(AudioDeviceNames* device_names) override {
-    device_names->emplace_back("Input 1", "input1");
-    device_names->emplace_back("Input 2", "input2");
-    device_names->emplace_back("Input 3", "input3");
-    device_names->push_front(AudioDeviceName::CreateDefault());
-  }
-
-  void GetAudioOutputDeviceNames(AudioDeviceNames* device_names) override {
-    device_names->emplace_back("Output 1", "output1");
-    device_names->emplace_back("Output 2", "output2");
-    device_names->emplace_back("Output 4", "output4");
-    device_names->push_front(AudioDeviceName::CreateDefault());
-  }
-
-  std::string GetDefaultOutputDeviceID() override { return "output4"; }
-
-  std::string GetAssociatedOutputDeviceID(
-      const std::string& input_id) override {
-    if (input_id == "input1")
-      return "output1";
-    if (input_id == "input2")
-      return "output2";
-    if (input_id == "default")
-      return "output1";
-    return "";
-  }
-};
-
-TEST_F(AudioManagerTest, GetGroupId) {
-  CreateAudioManagerForTesting<TestAudioManager>();
-  // Groups:
-  // 0: input1, output1, default input
-  // 1: input2, output2
-  // 2: input3,
-  // 3: output4, default output
-  std::vector<std::string> group;
-  group.push_back(audio_manager_->GetGroupIDInput("input1"));
-  group.push_back(audio_manager_->GetGroupIDInput("input2"));
-  group.push_back(audio_manager_->GetGroupIDInput("input3"));
-  group.push_back(audio_manager_->GetGroupIDOutput("output4"));
-  for (size_t i = 0; i < group.size(); ++i) {
-    for (size_t j = i + 1; j < group.size(); ++j) {
-      EXPECT_NE(group[i], group[j]);
-    }
-  }
-  EXPECT_EQ(group[0], audio_manager_->GetGroupIDOutput("output1"));
-  EXPECT_EQ(group[0], audio_manager_->GetGroupIDInput("default"));
-  EXPECT_EQ(group[1], audio_manager_->GetGroupIDOutput("output2"));
-  EXPECT_EQ(group[3], audio_manager_->GetGroupIDOutput("default"));
-}
-
 }  // namespace media