Views:: Make Labels support text selection.

ui/native_theme/native_theme_win.cc

Index: ui/native_theme/native_theme_win.cc
diff --git a/ui/native_theme/native_theme_win.cc b/ui/native_theme/native_theme_win.cc
index 674352c4a22f553e26c974d337371fb0efd907dc..cc90f3e2060515fbbc6dab55763fcec1f0a1763d 100644
--- a/ui/native_theme/native_theme_win.cc
+++ b/ui/native_theme/native_theme_win.cc
@@ -517,6 +517,8 @@ SkColor NativeThemeWin::GetSystemColor(ColorId color_id) const {
   const SkColor kResultsTableUrlColor =
       md ? gfx::kGoogleBlue700 : SkColorSetRGB(0x0b, 0x80, 0x43);
   const SkColor kResultsTableSelectedUrlColor = SK_ColorWHITE;
+  // Label:
+  const SkColor kLabelTextSelectionBackgroundFocusedColor = gfx::kGoogleBlue700;
 
   switch (color_id) {
     // Windows
@@ -549,6 +551,10 @@ SkColor NativeThemeWin::GetSystemColor(ColorId color_id) const {
       return system_colors_[COLOR_BTNTEXT];
     case kColorId_LabelDisabledColor:
       return system_colors_[COLOR_GRAYTEXT];
+    case kColorId_LabelTextSelectionColor:
+      return system_colors_[COLOR_HIGHLIGHTTEXT];
+    case kColorId_LabelTextSelectionBackgroundFocused:
+      return kLabelTextSelectionBackgroundFocusedColor;

[karandeepb, 2016/11/07 04:06:36]

Tested the patch on Windows as well. 

Had to change this. Auto color readability in Labels (which is enabled by
default) was changing the text selection color from white to black on Windows.
See Label::RecalculateColors. This background color causes white text selection
color on Windows, which is what we want.

 
     // Textfield
     case kColorId_TextfieldDefaultColor: