Remove now-unnecessary .obj() in Java method calls.

media/midi/usb_midi_device_android.cc

Index: media/midi/usb_midi_device_android.cc
diff --git a/media/midi/usb_midi_device_android.cc b/media/midi/usb_midi_device_android.cc
index b9003d3f46dfce65406b36ab158b8c144610cbd1..6d6635a9436f21b578deaf8ab807922c7593435a 100644
--- a/media/midi/usb_midi_device_android.cc
+++ b/media/midi/usb_midi_device_android.cc
@@ -24,7 +24,7 @@ UsbMidiDeviceAndroid::UsbMidiDeviceAndroid(
     UsbMidiDeviceDelegate* delegate)
     : raw_device_(raw_device), delegate_(delegate) {
   JNIEnv* env = base::android::AttachCurrentThread();
-  Java_UsbMidiDeviceAndroid_registerSelf(env, raw_device_.obj(),
+  Java_UsbMidiDeviceAndroid_registerSelf(env, raw_device_,
                                          reinterpret_cast<jlong>(this));
 
   GetDescriptorsInternal();
@@ -33,7 +33,7 @@ UsbMidiDeviceAndroid::UsbMidiDeviceAndroid(
 
 UsbMidiDeviceAndroid::~UsbMidiDeviceAndroid() {
   JNIEnv* env = base::android::AttachCurrentThread();
-  Java_UsbMidiDeviceAndroid_close(env, raw_device_.obj());
+  Java_UsbMidiDeviceAndroid_close(env, raw_device_);
 }
 
 std::vector<uint8_t> UsbMidiDeviceAndroid::GetDescriptors() {
@@ -59,8 +59,8 @@ void UsbMidiDeviceAndroid::Send(int endpoint_number,
   ScopedJavaLocalRef<jbyteArray> data_to_pass =
       base::android::ToJavaByteArray(env, head, data.size());
 
-  Java_UsbMidiDeviceAndroid_send(env, raw_device_.obj(), endpoint_number,
-                                 data_to_pass.obj());
+  Java_UsbMidiDeviceAndroid_send(env, raw_device_, endpoint_number,
+                                 data_to_pass);
 }
 
 void UsbMidiDeviceAndroid::OnData(JNIEnv* env,
@@ -82,7 +82,7 @@ bool UsbMidiDeviceAndroid::RegisterUsbMidiDevice(JNIEnv* env) {
 void UsbMidiDeviceAndroid::GetDescriptorsInternal() {
   JNIEnv* env = base::android::AttachCurrentThread();
   base::android::ScopedJavaLocalRef<jbyteArray> descriptors =
-      Java_UsbMidiDeviceAndroid_getDescriptors(env, raw_device_.obj());
+      Java_UsbMidiDeviceAndroid_getDescriptors(env, raw_device_);
 
   base::android::JavaByteArrayToByteVector(env, descriptors.obj(),
                                            &descriptors_);
@@ -115,8 +115,7 @@ void UsbMidiDeviceAndroid::InitDeviceInfo() {
 std::vector<uint8_t> UsbMidiDeviceAndroid::GetStringDescriptor(int index) {
   JNIEnv* env = base::android::AttachCurrentThread();
   base::android::ScopedJavaLocalRef<jbyteArray> descriptors =
-      Java_UsbMidiDeviceAndroid_getStringDescriptor(env, raw_device_.obj(),
-                                                    index);
+      Java_UsbMidiDeviceAndroid_getStringDescriptor(env, raw_device_, index);
 
   std::vector<uint8_t> ret;
   base::android::JavaByteArrayToByteVector(env, descriptors.obj(), &ret);