Implement Uniscribe RenderText for Windows.

views/controls/textfield/native_textfield_views.cc

Index: views/controls/textfield/native_textfield_views.cc
diff --git a/views/controls/textfield/native_textfield_views.cc b/views/controls/textfield/native_textfield_views.cc
index 810bad1d3c4c715f107cae0632cf7b5812960e83..c14463ef52fee75ca50b9b537a4449f0f017b11a 100644
--- a/views/controls/textfield/native_textfield_views.cc
+++ b/views/controls/textfield/native_textfield_views.cc
@@ -861,11 +861,18 @@ bool NativeTextfieldViews::HandleKeyEvent(const KeyEvent& key_event) {
         cursor_changed = true;
         break;
       case ui::VKEY_END:
-        model_->MoveCursorRight(gfx::LINE_BREAK, selection);
-        cursor_changed = true;
-        break;
       case ui::VKEY_HOME:
-        model_->MoveCursorLeft(gfx::LINE_BREAK, selection);
+        // TODO(msw): Implement RenderText::GetTextDirection for platforms.
+        // Windows string directionality is determined by UI directionality.
+        // Linux/ChromeOS uses the first strong directionality character.
+#if defined(OS_WIN)
+        if (base::i18n::IsRTL() == (key_code == ui::VKEY_HOME))
+#else
+        if (key_code == ui::VKEY_END)
+#endif
+          model_->MoveCursorRight(gfx::LINE_BREAK, selection);
+        else
+          model_->MoveCursorLeft(gfx::LINE_BREAK, selection);
         cursor_changed = true;
         break;
       case ui::VKEY_BACK:
@@ -908,7 +915,7 @@ bool NativeTextfieldViews::HandleKeyEvent(const KeyEvent& key_event) {
         cursor_changed = text_changed = model_->Delete();
         break;
       case ui::VKEY_INSERT:
-        GetRenderText()->toggle_insert_mode();
+        GetRenderText()->ToggleInsertMode();
         cursor_changed = true;
         break;
       default: