Reintroduce password support to NativeTextfieldViews

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 5f48fd431d437bc637a336f4d6ee4cf4ed1efc6b..3ea291e74376106a9ad23b796c0a0dd88d1e14c6 100644
--- a/ui/gfx/render_text_unittest.cc
+++ b/ui/gfx/render_text_unittest.cc
@@ -281,6 +281,21 @@ TEST_F(RenderTextTest, StyleRangesAdjust) {
   EXPECT_EQ(ui::Range(0, 1), render_text->style_ranges()[0].range);
 }
 
+TEST_F(RenderTextTest, PasswordCensorship) {

[msw, 2012/02/22 00:33:26]

Also test more complex text, like RTL, BiDi, and surrogate pairs.

[benrg, 2012/02/24 19:07:44]

Done.

+  const string16 seuss = ASCIIToUTF16("hop on pop");
+  const string16 no_seuss = ASCIIToUTF16("**********");
+  scoped_ptr<RenderText> render_text(RenderText::CreateRenderText());
+
+  // GetObscuredText should return asterisks when the obscured bit is set.
+  render_text->SetText(seuss);
+  render_text->SetObscured(true);
+  EXPECT_EQ(seuss, render_text->text());
+  EXPECT_EQ(no_seuss, render_text->GetDisplayText());
+  render_text->SetObscured(false);
+  EXPECT_EQ(seuss, render_text->text());
+  EXPECT_EQ(seuss, render_text->GetDisplayText());
+}
+
 void RunMoveCursorLeftRightTest(RenderText* render_text,
     const std::vector<SelectionModel>& expected,
     bool move_right) {