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

To support the WebUSB API our underlying USB library needs to support
isochronous transfers with full control over the packet size. We also
need to know the completion status of each packet which was previously
not available.

This patch updates the interface to match that provided by libusb and
the underlying platform specific APIs.

BUG=492204

Review URL: https://codereview.chromium.org/1618393004

Cr-Commit-Position: refs/heads/master@{#372844}

1 files changed, 13 insertions, 10 deletions

diff --git a/device/usb/mock_usb_device_handle.h b/device/usb/mock_usb_device_handle.h
index 372068c..26e6190 100644
--- a/device/usb/mock_usb_device_handle.h
+++ b/device/usb/mock_usb_device_handle.h
@@ -5,11 +5,12 @@
 #ifndef DEVICE_USB_MOCK_USB_DEVICE_HANDLE_H_
 #define DEVICE_USB_MOCK_USB_DEVICE_HANDLE_H_
 
-#include "device/usb/usb_device_handle.h"
-
 #include <stddef.h>
 #include <stdint.h>
 
+#include <vector>
+
+#include "device/usb/usb_device_handle.h"
 #include "net/base/io_buffer.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
@@ -17,7 +18,7 @@ namespace device {
 
 class MockUsbDeviceHandle : public UsbDeviceHandle {
  public:
-  MockUsbDeviceHandle(UsbDevice* device);
+  explicit MockUsbDeviceHandle(UsbDevice* device);
 
   scoped_refptr<UsbDevice> GetDevice() const override;
   MOCK_METHOD0(Close, void());
@@ -44,15 +45,17 @@ class MockUsbDeviceHandle : public UsbDeviceHandle {
                      size_t length,
                      unsigned int timeout,
                      const TransferCallback& callback));
-  MOCK_METHOD8(IsochronousTransfer,
-               void(UsbEndpointDirection direction,
-                    uint8_t endpoint,
+  MOCK_METHOD4(IsochronousTransferIn,
+               void(uint8_t endpoint,
+                    const std::vector<uint32_t>& packet_lengths,
+                    unsigned int timeout,
+                    const IsochronousTransferCallback& callback));
+  MOCK_METHOD5(IsochronousTransferOut,
+               void(uint8_t endpoint,
                     scoped_refptr<net::IOBuffer> buffer,
-                    size_t length,
-                    unsigned int packets,
-                    unsigned int packet_length,
+                    const std::vector<uint32_t>& packet_lengths,
                     unsigned int timeout,
-                    const TransferCallback& callback));
+                    const IsochronousTransferCallback& callback));
   MOCK_METHOD6(GenericTransfer,
                void(UsbEndpointDirection direction,
                     uint8_t endpoint,