linux and chromeos: Turn on -Wunused-const-variable.

ui/base/ime/input_method_ibus_unittest.cc

 // Copyright (c) 2012 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 <X11/Xlib.h>
 #undef Bool
 #undef FocusIn
 #undef FocusOut
 #undef None
 
@@ skipping 10 matching lines @@
 #include "chromeos/ime/mock_ime_candidate_window_handler.h"
 #include "chromeos/ime/mock_ime_engine_handler.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/base/ime/input_method_delegate.h"
 #include "ui/base/ime/input_method_ibus.h"
 #include "ui/base/ime/text_input_client.h"
 #include "ui/gfx/rect.h"
 
 namespace ui {
 namespace {
-const int kCreateInputContextMaxTrialCount = 10;
 const uint32 kTestIBusKeyVal1 = 97;
 const uint32 kTestIBusKeyVal2 = 30;
-const uint32 kTestIBusKeyVal3 = 0;
 const uint32 kTestIBusKeyCode1 = 98;
 const uint32 kTestIBusKeyCode2 = 48;
-const uint32 kTestIBusKeyCode3 = 1;
 const uint32 kTestIBusState1 = 99;
 const uint32 kTestIBusState2 = 46;
-const uint32 kTestIBusState3 = 8;
 
 typedef chromeos::IBusEngineHandlerInterface::KeyEventDoneCallback
     KeyEventCallback;
 
 uint32 GetOffsetInUTF16(const std::string& utf8_string, uint32 utf8_offset) {
   string16 utf16_string = UTF8ToUTF16(utf8_string);
   DCHECK_LT(utf8_offset, utf16_string.size());
   base::i18n::UTF16CharIterator char_iterator(&utf16_string);
   for (size_t i = 0; i < utf8_offset; ++i)
     char_iterator.Advance();
@@ skipping 1051 matching lines @@
 
   // Do callback.
   mock_ime_engine_handler_->last_passed_callback().Run(true);
 
   EXPECT_EQ(0, ime_->process_key_event_post_ime_call_count());
 }
 
 // TODO(nona): Introduce ProcessKeyEventPostIME tests(crbug.com/156593).
 
 }  // namespace ui