Revert of Remove ScopedVector from all other codes in media/

media/midi/midi_manager_usb_unittest.cc

Index: media/midi/midi_manager_usb_unittest.cc
diff --git a/media/midi/midi_manager_usb_unittest.cc b/media/midi/midi_manager_usb_unittest.cc
index 2a0df71563e1cda1e946a86dd9356331018fed04..c1251d3814f939754b3dd36f0ffdd12ec53b5153 100644
--- a/media/midi/midi_manager_usb_unittest.cc
+++ b/media/midi/midi_manager_usb_unittest.cc
@@ -265,7 +265,7 @@
   device->SetDeviceVersion("1.02");
 
   Initialize();
-  UsbMidiDevice::Devices devices;
+  ScopedVector<UsbMidiDevice> devices;
   devices.push_back(std::move(device));
   EXPECT_FALSE(IsInitializationCallbackInvoked());
   RunCallbackUntilCallbackInvoked(true, &devices);
@@ -325,7 +325,7 @@
   device2->SetDeviceVersion("98.76");
 
   Initialize();
-  UsbMidiDevice::Devices devices;
+  ScopedVector<UsbMidiDevice> devices;
   devices.push_back(std::move(device1));
   devices.push_back(std::move(device2));
   EXPECT_FALSE(IsInitializationCallbackInvoked());
@@ -388,7 +388,7 @@
   device->SetDescriptors(ToVector(descriptors));
 
   Initialize();
-  UsbMidiDevice::Devices devices;
+  ScopedVector<UsbMidiDevice> devices;
   devices.push_back(std::move(device));
   EXPECT_FALSE(IsInitializationCallbackInvoked());
   RunCallbackUntilCallbackInvoked(true, &devices);
@@ -419,7 +419,7 @@
       0x90, 0x45, 0x7f, 0xf0, 0x00, 0x01, 0xf7,
   };
 
-  UsbMidiDevice::Devices devices;
+  ScopedVector<UsbMidiDevice> devices;
   devices.push_back(std::move(device));
   EXPECT_FALSE(IsInitializationCallbackInvoked());
   RunCallbackUntilCallbackInvoked(true, &devices);
@@ -463,7 +463,7 @@
   };
 
   Initialize();
-  UsbMidiDevice::Devices devices;
+  ScopedVector<UsbMidiDevice> devices;
   devices.push_back(std::move(device));
   EXPECT_FALSE(IsInitializationCallbackInvoked());
   RunCallbackUntilCallbackInvoked(true, &devices);
@@ -505,7 +505,7 @@
   };
 
   Initialize();
-  UsbMidiDevice::Devices devices;
+  ScopedVector<UsbMidiDevice> devices;
   UsbMidiDevice* device_raw = device.get();
   devices.push_back(std::move(device));
   EXPECT_FALSE(IsInitializationCallbackInvoked());
@@ -543,7 +543,7 @@
   };
 
   Initialize();
-  UsbMidiDevice::Devices devices;
+  ScopedVector<UsbMidiDevice> devices;
   EXPECT_FALSE(IsInitializationCallbackInvoked());
   RunCallbackUntilCallbackInvoked(true, &devices);
   EXPECT_EQ(Result::OK, GetInitializationResult());