[AiS] adding positive and negative theme values

ui/native_theme/native_theme.h

 // Copyright (c) 2012 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.
 
 #ifndef UI_NATIVE_THEME_NATIVE_THEME_H_
 #define UI_NATIVE_THEME_NATIVE_THEME_H_
 
 #include "base/observer_list.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/gfx/native_widget_types.h"
@@ skipping 280 matching lines @@
     kColorId_TreeSelectionBackgroundUnfocused,
     kColorId_TreeArrow,
     // Table
     kColorId_TableBackground,
     kColorId_TableText,
     kColorId_TableSelectedText,
     kColorId_TableSelectedTextUnfocused,
     kColorId_TableSelectionBackgroundFocused,
     kColorId_TableSelectionBackgroundUnfocused,
     kColorId_TableGroupingIndicatorColor,
-    // Results Tables, such as the chrome omnibox.
+    // Results Tables, such as the omnibox.
     kColorId_ResultsTableNormalBackground,
     kColorId_ResultsTableHoveredBackground,
     kColorId_ResultsTableSelectedBackground,
     kColorId_ResultsTableNormalText,
     kColorId_ResultsTableHoveredText,
     kColorId_ResultsTableSelectedText,
     kColorId_ResultsTableNormalDimmedText,
     kColorId_ResultsTableHoveredDimmedText,
     kColorId_ResultsTableSelectedDimmedText,
     kColorId_ResultsTableNormalUrl,
     kColorId_ResultsTableHoveredUrl,
     kColorId_ResultsTableSelectedUrl,
     kColorId_ResultsTableNormalDivider,
     kColorId_ResultsTableHoveredDivider,
     kColorId_ResultsTableSelectedDivider,
+    kColorId_ResultsTablePositiveText,

[sky, 2015/03/19 23:54:31]

These constants need descriptions. Positive/Negative are obscure and tell me
nothing about what they mean.

[dschuyler, 2015/03/20 02:03:53]

Done.

+    kColorId_ResultsTablePositiveHoveredText,
+    kColorId_ResultsTablePositiveSelectedText,
+    kColorId_ResultsTableNegativeText,
+    kColorId_ResultsTableNegativeHoveredText,
+    kColorId_ResultsTableNegativeSelectedText,
     // TODO(benrg): move other hardcoded colors here.
 
     kColorId_NumColors,
   };
 
   // Return a color from the system theme.
   virtual SkColor GetSystemColor(ColorId color_id) const = 0;
 
   // Returns a shared instance of the native theme.
   // The returned object should not be deleted by the caller.  This function
@@ skipping 20 matching lines @@
  private:
   // Observers to notify when the native theme changes.
   ObserverList<NativeThemeObserver> native_theme_observers_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeTheme);
 };
 
 }  // namespace ui
 
 #endif  // UI_NATIVE_THEME_NATIVE_THEME_H_