Create shared MockDeviceClient and MockHidService classes.

Both of these classes are redefined in multiple tests (and more tests I
have out for review) so this change unifies the definitions.

BUG=None

Review URL: https://codereview.chromium.org/1462793003

Cr-Commit-Position: refs/heads/master@{#361419}

4 files changed, 92 insertions, 0 deletions

diff --git a/device/hid/BUILD.gn b/device/hid/BUILD.gn
index 9288f70..4270ce8 100644
--- a/device/hid/BUILD.gn
+++ b/device/hid/BUILD.gn
@@ -61,3 +61,17 @@ source_set("hid") {
     deps += [ "//chromeos" ]
   }
 }
+
+source_set("mocks") {
+  testonly = true
+
+  sources = [
+    "mock_hid_service.cc",
+    "mock_hid_service.h",
+  ]
+
+  public_deps = [
+    ":hid",
+    "//testing/gmock",
+  ]
+}
diff --git a/device/hid/hid.gyp b/device/hid/hid.gyp
index f7a0baf..2d0169b 100644
--- a/device/hid/hid.gyp
+++ b/device/hid/hid.gyp
@@ -66,5 +66,20 @@
         }],
       ],
     },
+    {
+      'target_name': 'device_hid_mocks',
+      'type': 'static_library',
+      'include_dirs': [
+        '../..',
+      ],
+      'dependencies': [
+        '../../testing/gmock.gyp:gmock',
+        'device_hid',
+      ],
+      'sources': [
+        'mock_hid_service.cc',
+        'mock_hid_service.h',
+      ],
+    },
   ],
 }
diff --git a/device/hid/mock_hid_service.cc b/device/hid/mock_hid_service.cc
new file mode 100644
index 0000000..7c73a35
--- /dev/null
+++ b/device/hid/mock_hid_service.cc
@@ -0,0 +1,30 @@
+// 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/hid/mock_hid_service.h"
+
+namespace device {
+
+MockHidService::MockHidService() {}
+
+MockHidService::~MockHidService() {}
+
+void MockHidService::AddDevice(scoped_refptr<HidDeviceInfo> info) {
+  HidService::AddDevice(info);
+}
+
+void MockHidService::RemoveDevice(const HidDeviceId& device_id) {
+  HidService::RemoveDevice(device_id);
+}
+
+void MockHidService::FirstEnumerationComplete() {
+  HidService::FirstEnumerationComplete();
+}
+
+const std::map<HidDeviceId, scoped_refptr<HidDeviceInfo>>&
+MockHidService::devices() const {
+  return HidService::devices();
+}
+
+}  // namespace device
diff --git a/device/hid/mock_hid_service.h b/device/hid/mock_hid_service.h
new file mode 100644
index 0000000..f5f6c82
--- /dev/null
+++ b/device/hid/mock_hid_service.h
@@ -0,0 +1,33 @@
+// 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.
+
+#ifndef DEVICE_HID_MOCK_HID_SERVICE_H_
+#define DEVICE_HID_MOCK_HID_SERVICE_H_
+
+#include <map>
+
+#include "device/hid/hid_service.h"
+#include "testing/gmock/include/gmock/gmock.h"
+
+namespace device {
+
+class MockHidService : public HidService {
+ public:
+  MockHidService();
+  ~MockHidService() override;
+
+  // Public wrappers around protected functions needed for tests.
+  void AddDevice(scoped_refptr<HidDeviceInfo> info);
+  void RemoveDevice(const HidDeviceId& device_id);
+  void FirstEnumerationComplete();
+  const std::map<HidDeviceId, scoped_refptr<HidDeviceInfo>>& devices() const;
+
+  MOCK_METHOD2(Connect,
+               void(const HidDeviceId& device_id,
+                    const ConnectCallback& callback));
+};
+
+}  // namespace device
+
+#endif  // DEVICE_HID_MOCK_HID_SERVICE_H_