Reland of Update device/usb and its Mojo interface for variable size ISO packets.

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 <stddef.h>
 #include <stdint.h>
 #include <algorithm>
 #include <utility>
 
 #include "base/containers/scoped_ptr_hash_map.h"
@@ skipping 334 matching lines @@
     std::copy(output_buffer_.begin(),
               output_buffer_.begin() + query.size,
               query.buffer->data());
     output_buffer_.erase(output_buffer_.begin(),
                          output_buffer_.begin() + query.size);
     base::ThreadTaskRunnerHandle::Get()->PostTask(
         FROM_HERE, base::Bind(query.callback, device::USB_TRANSFER_COMPLETED,
                               query.buffer, query.size));
   }
 
-  void IsochronousTransfer(UsbEndpointDirection direction,
-                           uint8_t endpoint,
-                           scoped_refptr<net::IOBuffer> buffer,
-                           size_t length,
-                           unsigned int packets,
-                           unsigned int packet_length,
-                           unsigned int timeout,
-                           const TransferCallback& callback) override {}
+  void IsochronousTransferIn(
+      uint8_t endpoint_number,
+      const std::vector<uint32_t>& packet_lengths,
+      unsigned int timeout,
+      const IsochronousTransferCallback& callback) override {}
+
+  void IsochronousTransferOut(
+      uint8_t endpoint_number,
+      scoped_refptr<net::IOBuffer> buffer,
+      const std::vector<uint32_t>& packet_lengths,
+      unsigned int timeout,
+      const IsochronousTransferCallback& callback) override {}
 
  protected:
   virtual ~MockUsbDeviceHandle() {}
 
   struct Query {
     TransferCallback callback;
     scoped_refptr<net::IOBuffer> buffer;
     size_t size;
 
     Query(TransferCallback callback,
@@ skipping 423 matching lines @@
   EXPECT_EQ(2, listener.invoked_);
   EXPECT_EQ(listener.invoked_ - 1, scheduler_invoked_);
   EXPECT_TRUE(base::MessageLoop::current()->IsIdleForTesting());
 }
 
 IN_PROC_BROWSER_TEST_F(AndroidUsbTraitsTest, TestDeviceCounting) {
   MockCountListenerForCheckingTraits listener(adb_bridge_);
   adb_bridge_->AddDeviceCountListener(&listener);
   runner_->Run();
 }