Backed out changeset 3ee28802c28c (bug 1024930) for causing B2G mochitest-debug-14 failures

layout/generic/nsTextFrame.cpp

@@ -3643,14 +3643,6 @@ nsTextPaintStyle::InitSelectionColorsAndShadow()
                                                      eCSSProperty_color;
       nscoord frameColor = mFrame->GetVisitedDependentColor(property);
       mSelectionTextColor = EnsureDifferentColors(frameColor, mSelectionBGColor);
-    } else if (mSelectionTextColor == NS_CHANGE_COLOR_IF_SAME_AS_BG) {
-      nsCSSProperty property = mFrame->IsSVGText() ? eCSSProperty_fill :
-                                                     eCSSProperty_color;
-      nscolor frameColor = mFrame->GetVisitedDependentColor(property);
-      if (frameColor == mSelectionBGColor) {
-        mSelectionTextColor =
-          LookAndFeel::GetColor(LookAndFeel::eColorID_TextSelectForegroundCustom);
-      }
     } else {
       EnsureSufficientContrast(&mSelectionTextColor, &mSelectionBGColor);
     }

widget/LookAndFeel.h

@@ -39,7 +39,6 @@ public:
     eColorID_TextForeground,
     eColorID_TextSelectBackground,
     eColorID_TextSelectForeground,
-    eColorID_TextSelectForegroundCustom,
     eColorID_TextSelectBackgroundDisabled,
     eColorID_TextSelectBackgroundAttention,
     eColorID_TextHighlightBackground,
@@ -589,12 +588,6 @@ public:
 // Of course if other plaforms work like the Mac, they can use it too.
 #define NS_DONT_CHANGE_COLOR 	NS_RGB(0x01, 0x01, 0x01)
 
-// Similar with NS_DONT_CHANGE_COLOR, except NS_DONT_CHANGE_COLOR would returns
-// complementary color if fg color is same as bg color.
-// NS_CHANGE_COLOR_IF_SAME_AS_BG would returns eColorID_TextSelectForegroundCustom if
-// fg and bg color are the same.
-#define NS_CHANGE_COLOR_IF_SAME_AS_BG NS_RGB(0x02, 0x02, 0x02)
-
 // ---------------------------------------------------------------------
 //  Special colors for eColorID_IME* and eColorID_SpellCheckerUnderline
 // ---------------------------------------------------------------------

widget/gonk/nsLookAndFeel.cpp

@@ -92,19 +92,12 @@ nsLookAndFeel::NativeGetColor(ColorID aID, nscolor &aColor)
         aColor = TEXT_NORMAL_COLOR;
         break;
     case eColorID_TextSelectBackground:
-        aColor = NS_RGBA(0x33,0xb5,0xe5,0x66);
-        break;
     case eColorID_IMESelectedRawTextBackground:
     case eColorID_IMESelectedConvertedTextBackground:
         // still used
         aColor = BASE_SELECTED_COLOR;
         break;
-    case eColorID_TextSelectForegroundCustom:
-        aColor = NS_RGB(0x4d,0x4d,0x4d);
-        break;
     case eColorID_TextSelectForeground:
-        aColor = NS_CHANGE_COLOR_IF_SAME_AS_BG;
-        break;
     case eColorID_IMESelectedRawTextForeground:
     case eColorID_IMESelectedConvertedTextForeground:
         // still used

widget/xpwidgets/nsXPLookAndFeel.cpp

@@ -151,7 +151,6 @@ const char nsXPLookAndFeel::sColorPrefs[][38] =
   "ui.textForeground",
   "ui.textSelectBackground",
   "ui.textSelectForeground",
-  "ui.textSelectForegroundCustom",
   "ui.textSelectBackgroundDisabled",
   "ui.textSelectBackgroundAttention",
   "ui.textHighlightBackground",