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 a4220d7cab40625b557cdc5d3556ca688c05ed2a..291644520a9477562e5b97ece141229e7ffa93b6 100644
--- a/views/controls/textfield/native_textfield_views.cc
+++ b/views/controls/textfield/native_textfield_views.cc
@@ -873,11 +873,18 @@ 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:
@@ -920,7 +927,7 @@ 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: