Added text filtering to Overview Mode

ui/views/controls/textfield/textfield.cc

Index: ui/views/controls/textfield/textfield.cc
diff --git a/ui/views/controls/textfield/textfield.cc b/ui/views/controls/textfield/textfield.cc
index cb3e5423814432168664c60ec7a6ce84ce167ebc..a8a0544420e045e049fc71ed431996ddb9600229 100644
--- a/ui/views/controls/textfield/textfield.cc
+++ b/ui/views/controls/textfield/textfield.cc
@@ -409,6 +409,11 @@ void Textfield::UseDefaultSelectionTextColor() {
   SchedulePaint();
 }
 
+void Textfield::SetShadows(const gfx::ShadowValues& shadows) {
+  shadows_ = shadows;

[msw, 2014/07/03 05:28:55]

Just set the shadows on the RenderText here, you don't need to add a
Textfield::shadows_ member.

[Nina, 2014/07/04 13:56:48]

Done.

+  SchedulePaint();
+}
+
 SkColor Textfield::GetSelectionBackgroundColor() const {
   return use_default_selection_background_color_ ?
       GetNativeTheme()->GetSystemColor(
@@ -601,7 +606,7 @@ bool Textfield::OnMousePressed(const ui::MouseEvent& event) {
             ui::Clipboard::GetForCurrentThread(),
             ui::CLIPBOARD_TYPE_SELECTION).WriteText(base::string16());
         OnAfterUserAction();
-      } else if(!read_only()) {
+      } else if (!read_only()) {
         PasteSelectionClipboard(event);
       }
     }
@@ -1588,6 +1593,8 @@ void Textfield::PaintTextAndCursor(gfx::Canvas* canvas) {
   // Draw the text, cursor, and selection.
   render_text->set_cursor_visible(cursor_visible_ && !drop_cursor_visible_ &&
                                   !HasSelection());
+  render_text->set_shadows(shadows_);
+
   render_text->Draw(canvas);
 
   // Draw the detached drop cursor that marks where the text will be dropped.