Add a service to track devices selected by the user.

chrome/browser/devtools/device/usb/android_usb_browsertest.cc

 // Copyright 2014 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 <algorithm>
 
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/devtools/device/devtools_android_bridge.h"
 #include "chrome/browser/devtools/device/usb/android_usb_device.h"
 #include "chrome/browser/devtools/device/usb/usb_device_provider.h"
@@ skipping 102 matching lines @@
       : device_(device),
         remaining_body_length_(0),
         next_local_socket_(0) {}
 
   virtual scoped_refptr<UsbDevice> GetDevice() const OVERRIDE {
     return device_;
   }
 
   virtual void Close() OVERRIDE { device_ = NULL; }
 
-  bool ClaimInterface(const int interface_number) {
+  bool ClaimInterface(int interface_number) {
     if (device_->claimed_interfaces_.find(interface_number) !=
         device_->claimed_interfaces_.end())
       return false;
 
     device_->claimed_interfaces_.insert(interface_number);
     return true;
   }
 
-  bool ReleaseInterface(const int interface_number) {
+  bool ReleaseInterface(int interface_number) {
     if (device_->claimed_interfaces_.find(interface_number) ==
         device_->claimed_interfaces_.end())
       return false;
 
     device_->claimed_interfaces_.erase(interface_number);
     return true;
   }
 
-  virtual bool SetInterfaceAlternateSetting(
-      const int interface_number,
-      const int alternate_setting) OVERRIDE {
+  virtual bool SetInterfaceAlternateSetting(int interface_number,
+                                            int alternate_setting) OVERRIDE {
     return true;
   }
 
   virtual bool ResetDevice() OVERRIDE { return true; }
 
   virtual bool GetManufacturer(base::string16* manufacturer) OVERRIDE {
     *manufacturer = base::UTF8ToUTF16(kDeviceManufacturer);
     return true;
   }
 
   virtual bool GetProduct(base::string16* product) OVERRIDE {
     *product = base::UTF8ToUTF16(kDeviceModel);
     return true;
   }
 
   virtual bool GetSerial(base::string16* serial) OVERRIDE {
     *serial = base::UTF8ToUTF16(kDeviceSerial);
     return true;
   }
 
   // Async IO. Can be called on any thread.
-  virtual void ControlTransfer(const UsbEndpointDirection direction,
-                               const TransferRequestType request_type,
-                               const TransferRecipient recipient,
-                               const uint8 request,
-                               const uint16 value,
-                               const uint16 index,
+  virtual void ControlTransfer(UsbEndpointDirection direction,
+                               TransferRequestType request_type,
+                               TransferRecipient recipient,
+                               uint8 request,
+                               uint16 value,
+                               uint16 index,
                                net::IOBuffer* buffer,
-                               const size_t length,
-                               const unsigned int timeout,
+                               size_t length,
+                               unsigned int timeout,
                                const UsbTransferCallback& callback) OVERRIDE {}
 
-  virtual void BulkTransfer(const UsbEndpointDirection direction,
-                            const uint8 endpoint,
+  virtual void BulkTransfer(UsbEndpointDirection direction,
+                            uint8 endpoint,
                             net::IOBuffer* buffer,
-                            const size_t length,
-                            const unsigned int timeout,
+                            size_t length,
+                            unsigned int timeout,
                             const UsbTransferCallback& callback) OVERRIDE {
     if (direction == device::USB_DIRECTION_OUTBOUND) {
       if (remaining_body_length_ == 0) {
         std::vector<uint32> header(6);
         memcpy(&header[0], buffer->data(), length);
         current_message_ = new AdbMessage(header[0], header[1], header[2], "");
         remaining_body_length_ = header[3];
         uint32 magic = header[5];
         if ((current_message_->command ^ 0xffffffff) != magic) {
           DCHECK(false) << "Header checksum error";
@@ skipping 106 matching lines @@
     output_buffer_.erase(output_buffer_.begin(),
                          output_buffer_.begin() + query.size);
     base::MessageLoop::current()->PostTask(
         FROM_HERE,
         base::Bind(query.callback,
                    device::USB_TRANSFER_COMPLETED,
                    query.buffer,
                    query.size));
   }
 
-  virtual void InterruptTransfer(const UsbEndpointDirection direction,
-                                 const uint8 endpoint,
+  virtual void InterruptTransfer(UsbEndpointDirection direction,
+                                 uint8 endpoint,
                                  net::IOBuffer* buffer,
-                                 const size_t length,
-                                 const unsigned int timeout,
+                                 size_t length,
+                                 unsigned int timeout,
                                  const UsbTransferCallback& callback) OVERRIDE {
   }
 
   virtual void IsochronousTransfer(
-      const UsbEndpointDirection direction,
-      const uint8 endpoint,
+      UsbEndpointDirection direction,
+      uint8 endpoint,
       net::IOBuffer* buffer,
-      const size_t length,
-      const unsigned int packets,
-      const unsigned int packet_length,
-      const unsigned int timeout,
+      size_t length,
+      unsigned int packets,
+      unsigned int packet_length,
+      unsigned int timeout,
       const UsbTransferCallback& callback) OVERRIDE {}
 
  protected:
   virtual ~MockUsbDeviceHandle() {}
 
   struct Query {
     UsbTransferCallback callback;
     scoped_refptr<net::IOBuffer> buffer;
     size_t size;
 
@@ skipping 429 matching lines @@
   runner_->Run();
   EXPECT_EQ(2, listener.invoked_);
   EXPECT_EQ(listener.invoked_ - 1, scheduler_invoked_);
 }
 
 IN_PROC_BROWSER_TEST_F(AndroidUsbTraitsTest, TestDeviceCounting) {
   MockCountListenerForCheckingTraits listener(adb_bridge_);
   adb_bridge_->AddDeviceCountListener(&listener);
   runner_->Run();
 }