Remove windows/mac/ios specific code from //ui

ui/events/keycodes/dom4/keycode_converter_unittest.cc

 // Copyright 2013 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 "ui/events/keycodes/dom4/keycode_converter.h"
 
 #include <map>
 
 #include "base/basictypes.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using ui::KeycodeConverter;
 
 namespace {
 
-#if defined(OS_WIN)
-const size_t kExpectedMappedKeyCount = 138;
-#elif defined(OS_LINUX)
+#if defined(OS_LINUX)
 const size_t kExpectedMappedKeyCount = 145;
-#elif defined(OS_MACOSX)
-const size_t kExpectedMappedKeyCount = 118;
 #else
 const size_t kExpectedMappedKeyCount = 0;
 #endif
 
 const uint32_t kUsbNonExistentKeycode = 0xffffff;
 const uint32_t kUsbUsBackslash =        0x070031;
 const uint32_t kUsbNonUsHash =          0x070032;
 
 TEST(UsbKeycodeMap, Basic) {
   // Verify that the first element in the table is the "invalid" code.
@@ skipping 71 matching lines @@
 }
 
 TEST(UsbKeycodeMap, UsBackslashIsNonUsHash) {
   // Verify that UsbKeycodeToNativeKeycode treats the non-US "hash" key
   // as equivalent to the US "backslash" key.
   EXPECT_EQ(ui::KeycodeConverter::UsbKeycodeToNativeKeycode(kUsbUsBackslash),
             ui::KeycodeConverter::UsbKeycodeToNativeKeycode(kUsbNonUsHash));
 }
 
 }  // namespace