[Mac] Ensure Omnibox text is always right-aligned in RTL

chrome/browser/ui/cocoa/omnibox/omnibox_view_mac_unittest.mm

Index: chrome/browser/ui/cocoa/omnibox/omnibox_view_mac_unittest.mm
diff --git a/chrome/browser/ui/cocoa/omnibox/omnibox_view_mac_unittest.mm b/chrome/browser/ui/cocoa/omnibox/omnibox_view_mac_unittest.mm
index f3d584163744b7e88bfe357c62590294be108e84..1038d79585e861193def234d0385bb39af4d8bd2 100644
--- a/chrome/browser/ui/cocoa/omnibox/omnibox_view_mac_unittest.mm
+++ b/chrome/browser/ui/cocoa/omnibox/omnibox_view_mac_unittest.mm
@@ -9,6 +9,7 @@
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "chrome/browser/ui/cocoa/test/cocoa_profile_test.h"
+#include "chrome/browser/ui/cocoa/test/scoped_force_rtl_mac.h"
 #include "chrome/browser/ui/omnibox/chrome_omnibox_client.h"
 #include "chrome/browser/ui/omnibox/chrome_omnibox_edit_controller.h"
 #include "chrome/browser/ui/toolbar/chrome_toolbar_model_delegate.h"
@@ -176,3 +177,65 @@ TEST_F(OmniboxViewMacTest, UpDownArrow) {
   view.OnDoCommandBySelector(@selector(moveUp:));
   EXPECT_EQ(-1, model->up_or_down_count());
 }
+
+TEST_F(OmniboxViewMacTest, WritingDirectionLTR) {
+  TestingToolbarModelDelegate delegate;
+  ToolbarModelImpl toolbar_model(&delegate, 32 * 1024);
+  TestingOmniboxEditController edit_controller(&toolbar_model);
+  OmniboxViewMac view(&edit_controller, profile(), NULL, NULL);
+
+  // This is deleted by the omnibox view.
+  MockOmniboxEditModel* model =
+      new MockOmniboxEditModel(&view, &edit_controller, profile());
+  MockOmniboxPopupView popup_view;
+  OmniboxPopupModel popup_model(&popup_view, model);
+
+  model->OnSetFocus(true);
+  SetModel(&view, model);
+  view.SetUserText(base::ASCIIToUTF16("foo.com"));
+  model->OnChanged();
+
+  base::scoped_nsobject<NSMutableAttributedString> string(
+      [[NSMutableAttributedString alloc] initWithString:@"foo.com"]);
+  view.ApplyTextStyle(string);
+
+  NSParagraphStyle* paragraphStyle =
+      [string attribute:NSParagraphStyleAttributeName
+                 atIndex:0
+          effectiveRange:NULL];
+  DCHECK(paragraphStyle);
+  EXPECT_EQ(paragraphStyle.alignment, NSLeftTextAlignment);
+  EXPECT_EQ(paragraphStyle.baseWritingDirection, NSWritingDirectionLeftToRight);
+}
+
+TEST_F(OmniboxViewMacTest, WritingDirectionRTL) {
+  cocoa_l10n_util::ScopedForceRTLMac rtl;
+
+  TestingToolbarModelDelegate delegate;
+  ToolbarModelImpl toolbar_model(&delegate, 32 * 1024);
+  TestingOmniboxEditController edit_controller(&toolbar_model);
+  OmniboxViewMac view(&edit_controller, profile(), NULL, NULL);
+
+  // This is deleted by the omnibox view.
+  MockOmniboxEditModel* model =
+      new MockOmniboxEditModel(&view, &edit_controller, profile());
+  MockOmniboxPopupView popup_view;
+  OmniboxPopupModel popup_model(&popup_view, model);
+
+  model->OnSetFocus(true);
+  SetModel(&view, model);
+  view.SetUserText(base::ASCIIToUTF16("foo.com"));
+  model->OnChanged();
+
+  base::scoped_nsobject<NSMutableAttributedString> string(
+      [[NSMutableAttributedString alloc] initWithString:@"foo.com"]);
+  view.ApplyTextStyle(string);
+
+  NSParagraphStyle* paragraphStyle =
+      [string attribute:NSParagraphStyleAttributeName
+                 atIndex:0
+          effectiveRange:NULL];
+  DCHECK(paragraphStyle);
+  EXPECT_EQ(paragraphStyle.alignment, NSRightTextAlignment);
+  EXPECT_EQ(paragraphStyle.baseWritingDirection, NSWritingDirectionLeftToRight);
+}