mac: Prepare most test code for -Wunused-functions too.

ui/gfx/render_text_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 "ui/gfx/render_text.h"
 
 #include <algorithm>
 
 #include "base/format_macros.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 47 matching lines @@
 void SetRTL(bool rtl) {
   // Override the current locale/direction.
   base::i18n::SetICUDefaultLocale(rtl ? "he" : "en");
 #if defined(TOOLKIT_GTK)
   // Do the same for GTK, which does not rely on the ICU default locale.
   gtk_widget_set_default_direction(rtl ? GTK_TEXT_DIR_RTL : GTK_TEXT_DIR_LTR);
 #endif
   EXPECT_EQ(rtl, base::i18n::IsRTL());
 }
 
+#if !defined(OS_MACOSX)
 // Ensure cursor movement in the specified |direction| yields |expected| values.
 void RunMoveCursorLeftRightTest(RenderText* render_text,
                                 const std::vector<SelectionModel>& expected,
                                 VisualCursorDirection direction) {
   for (size_t i = 0; i < expected.size(); ++i) {
     SCOPED_TRACE(base::StringPrintf("Going %s; expected value index %d.",
         direction == CURSOR_LEFT ? "left" : "right", static_cast<int>(i)));
     EXPECT_EQ(expected[i], render_text->selection_model());
     render_text->MoveCursor(CHARACTER_BREAK, direction, false);
   }
   // Check that cursoring is clamped at the line edge.
   EXPECT_EQ(expected.back(), render_text->selection_model());
   // Check that it is the line edge.
   render_text->MoveCursor(LINE_BREAK, direction, false);
   EXPECT_EQ(expected.back(), render_text->selection_model());
 }
+#endif  // !defined(OS_MACOSX)
 
 }  // namespace
 
 class RenderTextTest : public testing::Test {
 };
 
 TEST_F(RenderTextTest, DefaultStyle) {
   // Check the default styles applied to new instances and adjusted text.
   scoped_ptr<RenderText> render_text(RenderText::CreateInstance());
   EXPECT_TRUE(render_text->text().empty());
@@ skipping 1650 matching lines @@
   render_text->SetText(WideToUTF16(L"x \x25B6 y"));
   render_text->EnsureLayout();
   ASSERT_EQ(3U, render_text->runs_.size());
   EXPECT_EQ(Range(0, 2), render_text->runs_[0]->range);
   EXPECT_EQ(Range(2, 3), render_text->runs_[1]->range);
   EXPECT_EQ(Range(3, 5), render_text->runs_[2]->range);
 }
 #endif  // defined(OS_WIN)
 
 }  // namespace gfx