Nix Windows-specific textfield move-by-word behavior; enable tests.

ui/gfx/render_text_unittest.cc

Index: ui/gfx/render_text_unittest.cc
diff --git a/ui/gfx/render_text_unittest.cc b/ui/gfx/render_text_unittest.cc
index 5607a3ad465211a73eaf9800ffda1ab872be205e..24d0f86df7b2f4d7207696e93a0749dfea43e8fb 100644
--- a/ui/gfx/render_text_unittest.cc
+++ b/ui/gfx/render_text_unittest.cc
@@ -1367,8 +1367,6 @@ void MoveLeftRightByWordVerifier(RenderText* render_text,
 
 // TODO(asvitkine): RenderTextMac cursor movements. http://crbug.com/131618
 #if !defined(OS_MACOSX)
-// TODO(msw): Make these work on Windows.
-#if !defined(OS_WIN)
 TEST_F(RenderTextTest, MoveLeftRightByWordInBidiText) {
   scoped_ptr<RenderText> render_text(RenderText::CreateInstance());
 
@@ -1448,7 +1446,6 @@ TEST_F(RenderTextTest, MoveLeftRightByWordInTextWithMultiSpaces) {
   render_text->MoveCursor(WORD_BREAK, CURSOR_LEFT, false);
   EXPECT_EQ(0U, render_text->cursor_position());
 }
-#endif  // !defined(OS_WIN)
 
 TEST_F(RenderTextTest, MoveLeftRightByWordInChineseText) {
   scoped_ptr<RenderText> render_text(RenderText::CreateInstance());