Revert of Implement basic USB device enumeration on Android.

device/usb/usb_device_android.cc

Index: device/usb/usb_device_android.cc
diff --git a/device/usb/usb_device_android.cc b/device/usb/usb_device_android.cc
deleted file mode 100644
index ee9e93b8b7f1db6d2438ea19b3c686f3c976f4e0..0000000000000000000000000000000000000000
--- a/device/usb/usb_device_android.cc
+++ /dev/null
@@ -1,107 +0,0 @@
-// 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 "device/usb/usb_device_android.h"
-
-#include "base/android/build_info.h"
-#include "base/android/jni_string.h"
-#include "base/bind.h"
-#include "base/location.h"
-#include "base/thread_task_runner_handle.h"
-#include "device/usb/usb_configuration_android.h"
-#include "device/usb/usb_device_handle.h"
-#include "device/usb/usb_interface_android.h"
-#include "jni/ChromeUsbDevice_jni.h"
-
-using base::android::AttachCurrentThread;
-using base::android::ConvertJavaStringToUTF16;
-using base::android::JavaRef;
-using base::android::ScopedJavaLocalRef;
-
-namespace device {
-
-// static
-bool UsbDeviceAndroid::RegisterJNI(JNIEnv* env) {
-  return RegisterNativesImpl(env);  // Generated in ChromeUsbDevice_jni.h
-}
-
-// static
-scoped_refptr<UsbDeviceAndroid> UsbDeviceAndroid::Create(
-    JNIEnv* env,
-    const JavaRef<jobject>& usb_device) {
-  ScopedJavaLocalRef<jobject> wrapper =
-      Java_ChromeUsbDevice_create(env, usb_device.obj());
-  uint16_t vendor_id = Java_ChromeUsbDevice_getVendorId(env, wrapper.obj());
-  uint16_t product_id = Java_ChromeUsbDevice_getProductId(env, wrapper.obj());
-  ScopedJavaLocalRef<jstring> manufacturer_string =
-      Java_ChromeUsbDevice_getManufacturerName(env, wrapper.obj());
-  ScopedJavaLocalRef<jstring> product_string =
-      Java_ChromeUsbDevice_getProductName(env, wrapper.obj());
-  ScopedJavaLocalRef<jstring> serial_number =
-      Java_ChromeUsbDevice_getSerialNumber(env, wrapper.obj());
-  return make_scoped_refptr(new UsbDeviceAndroid(
-      env, vendor_id, product_id,
-      ConvertJavaStringToUTF16(env, manufacturer_string),
-      ConvertJavaStringToUTF16(env, product_string),
-      ConvertJavaStringToUTF16(env, serial_number), wrapper));
-}
-
-void UsbDeviceAndroid::Open(const OpenCallback& callback) {
-  base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE,
-                                                base::Bind(callback, nullptr));
-}
-
-const UsbConfigDescriptor* UsbDeviceAndroid::GetActiveConfiguration() {
-  return nullptr;
-}
-
-UsbDeviceAndroid::UsbDeviceAndroid(JNIEnv* env,
-                                   uint16_t vendor_id,
-                                   uint16_t product_id,
-                                   const base::string16& manufacturer_string,
-                                   const base::string16& product_string,
-                                   const base::string16& serial_number,
-                                   const JavaRef<jobject>& wrapper)
-    : UsbDevice(vendor_id,
-                product_id,
-                manufacturer_string,
-                product_string,
-                serial_number) {
-  j_object_.Reset(wrapper);
-
-  if (base::android::BuildInfo::GetInstance()->sdk_int() >= 21) {
-    ScopedJavaLocalRef<jobjectArray> configurations =
-        Java_ChromeUsbDevice_getConfigurations(env, j_object_.obj());
-    jsize count = env->GetArrayLength(configurations.obj());
-    configurations_.reserve(count);
-    for (jsize i = 0; i < count; ++i) {
-      ScopedJavaLocalRef<jobject> config(
-          env, env->GetObjectArrayElement(configurations.obj(), i));
-      configurations_.push_back(UsbConfigurationAndroid::Convert(env, config));
-    }
-  } else {
-    // Pre-lollipop only the first configuration was supported. Build a basic
-    // configuration out of the available interfaces.
-    UsbConfigDescriptor config;
-    config.configuration_value = 1;  // Reasonable guess.
-    config.self_powered = false;     // Arbitrary default.
-    config.remote_wakeup = false;    // Arbitrary default.
-    config.maximum_power = 0;        // Arbitrary default.
-
-    ScopedJavaLocalRef<jobjectArray> interfaces =
-        Java_ChromeUsbDevice_getInterfaces(env, wrapper.obj());
-    jsize count = env->GetArrayLength(interfaces.obj());
-    config.interfaces.reserve(count);
-    for (jsize i = 0; i < count; ++i) {
-      ScopedJavaLocalRef<jobject> interface(
-          env, env->GetObjectArrayElement(interfaces.obj(), i));
-      config.interfaces.push_back(UsbInterfaceAndroid::Convert(env, interface));
-    }
-    configurations_.push_back(config);
-  }
-}
-
-UsbDeviceAndroid::~UsbDeviceAndroid() {}
-
-}  // namespace device