Fix some surprising reverse key mappings.

chrome/browser/chromeos/events/event_rewriter_unittest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/chromeos/events/event_rewriter.h"
 
 #include <vector>
 
 #include "ash/shell.h"
 #include "ash/sticky_keys/sticky_keys_controller.h"
@@ skipping 840 matching lines @@
   // Remap Alt to Control.
   IntegerPrefMember alt;
   alt.Init(prefs::kLanguageRemapAltKeyTo, &prefs);
   alt.SetValue(chromeos::input_method::kControlKey);
 
   KeyTestCase a2c_tests[] = {
       // Press left Alt. Confirm the event is now VKEY_CONTROL.
       {KeyTestCase::TEST_ALL, ui::ET_KEY_PRESSED,
        {ui::VKEY_MENU, ui::EF_ALT_DOWN},
        {ui::VKEY_CONTROL, ui::EF_CONTROL_DOWN}},
+      // Press Shift+comma. Verify that only the flags are changed.
+      // The X11 portion of the test addresses crbug.com/390263 by verifying
+      // that the X keycode remains that for ',<' and not for 105-key '<>'.
+      {KeyTestCase::TEST_ALL, ui::ET_KEY_PRESSED,
+       {ui::VKEY_OEM_COMMA, ui::EF_SHIFT_DOWN | ui::EF_ALT_DOWN},
+       {ui::VKEY_OEM_COMMA, ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN}},
+      // Press Shift+9. Verify that only the flags are changed.
+      {KeyTestCase::TEST_ALL, ui::ET_KEY_PRESSED,
+       {ui::VKEY_9, ui::EF_SHIFT_DOWN | ui::EF_ALT_DOWN},
+       {ui::VKEY_9, ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN}},
   };
 
   for (size_t i = 0; i < arraysize(a2c_tests); ++i) {
     SCOPED_TRACE(i);
     CheckKeyTestCase(&rewriter, a2c_tests[i]);
   }
 
   // Remap Control to Search.
   IntegerPrefMember control;
   control.Init(prefs::kLanguageRemapControlKeyTo, &prefs);
@@ skipping 1510 matching lines @@
   EXPECT_FALSE(overlay_->GetModifierVisible(ui::EF_ALTGR_DOWN));
   EXPECT_TRUE(overlay_->GetModifierVisible(ui::EF_MOD3_DOWN));
 
   // Turn off AltGr and Mod3.
   sticky_keys_controller_->SetModifiersEnabled(false, false);
   EXPECT_FALSE(overlay_->GetModifierVisible(ui::EF_ALTGR_DOWN));
   EXPECT_FALSE(overlay_->GetModifierVisible(ui::EF_MOD3_DOWN));
 }
 
 }  // namespace chromeos