Migrating majority of gamepad from content/browser/ to device/

device/gamepad/BUILD.gn

+# Copyright 2016 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.
+
+import("//build/config/features.gni")
+
+if (is_android) {
+  import("//build/config/android/config.gni")
+  import("//build/config/android/rules.gni")  # For generate_jni().
+}
+
+component("gamepad") {
+  output_name = "device_gamepad"
+
+  sources = [
+    "gamepad_consumer.h",
+    "gamepad_data_fetcher.cc",
+    "gamepad_data_fetcher.h",
+    "gamepad_platform_data_fetcher.h",
+    "gamepad_platform_data_fetcher_android.cc",
+    "gamepad_platform_data_fetcher_android.h",
+    "gamepad_platform_data_fetcher_linux.cc",
+    "gamepad_platform_data_fetcher_linux.h",
+    "gamepad_platform_data_fetcher_mac.h",
+    "gamepad_platform_data_fetcher_mac.mm",
+    "gamepad_platform_data_fetcher_win.cc",
+    "gamepad_platform_data_fetcher_win.h",
+    "gamepad_provider.cc",
+    "gamepad_provider.h",
+    "gamepad_standard_mappings.cc",
+    "gamepad_standard_mappings.h",
+    "gamepad_standard_mappings_linux.cc",
+    "gamepad_standard_mappings_mac.mm",
+    "gamepad_standard_mappings_win.cc",
+    "gamepad_user_gesture.cc",
+    "gamepad_user_gesture.h",
+    "raw_input_data_fetcher_win.cc",
+    "raw_input_data_fetcher_win.h",
+    "xbox_data_fetcher_mac.cc",
+    "xbox_data_fetcher_mac.h",
+  ]
+
+  deps = [
+    "//base",
+    "//base/third_party/dynamic_annotations",
+    "//third_party/WebKit/public:blink_headers",
+  ]
+
+  defines = [ "DEVICE_GAMEPAD_IMPLEMENTATION" ]
+
+  if (is_win) {
+    cflags = [ "/wd4267" ]  # conversion from 'size_t' (64 bit) to 'type'(32 bit).
+  }
+
+  if (is_linux && use_udev) {
+    deps += [ "//device/udev_linux" ]
+  } else if (!is_win && !is_mac && !is_android) {
+    sources += [ "gamepad_platform_data_fetcher.cc" ]
+    sources -= [ "gamepad_platform_data_fetcher_linux.cc" ]
+  }
+
+  if (is_android) {
+    deps += [ ":jni_headers" ]
+  }
+}

[Robert Sesek, 2016/07/01 17:40:17]

To fix the Mac errors, you need:

if (is_mac) {
  libs = [
    "CoreFoundation.framework",
    "Foundation.framework",
    "IOKit.framework",
  ]
}

+
+static_library("test_helpers") {
+  testonly = true
+
+  sources = [
+    "gamepad_test_helpers.cc",
+    "gamepad_test_helpers.h",
+  ]
+
+  public_deps = [
+    ":gamepad",
+    "//base",
+    "//third_party/WebKit/public:blink_headers",
+  ]
+}
+
+if (is_android) {
+  generate_jni("jni_headers") {
+    sources = [
+      "android/java/src/org/chromium/device/gamepad/GamepadList.java",
+    ]
+    jni_package = "gamepad"
+  }
+
+  android_library("java") {
+    java_files = [
+      "android/java/src/org/chromium/device/gamepad/GamepadDevice.java",
+      "android/java/src/org/chromium/device/gamepad/GamepadList.java",
+      "android/java/src/org/chromium/device/gamepad/GamepadMappings.java",
+    ]
+    deps = [
+      "//base:base_java",
+    ]
+    srcjar_deps = [ ":java_enums_srcjar" ]
+  }
+
+  java_cpp_enum("java_enums_srcjar") {
+    sources = [
+      "gamepad_standard_mappings.h",
+    ]
+  }
+}