Change chrome:// favicons in tabstrip based on theming.

ui/base/default_theme_provider.cc

Index: ui/base/default_theme_provider.cc
diff --git a/ui/base/default_theme_provider.cc b/ui/base/default_theme_provider.cc
index 8f1f52bd4df5d8d38e12a3b523535ffef5b4118f..54f9746aca14f9e103140b029c15d0d5aafa7397 100644
--- a/ui/base/default_theme_provider.cc
+++ b/ui/base/default_theme_provider.cc
@@ -6,6 +6,7 @@
 
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/color_palette.h"
+#include "ui/gfx/color_utils.h"
 #include "ui/gfx/image/image_skia.h"
 
 namespace ui {
@@ -22,6 +23,10 @@ SkColor DefaultThemeProvider::GetColor(int id) const {
   return gfx::kPlaceholderColor;
 }
 
+color_utils::HSL DefaultThemeProvider::GetTint(int id) const {
+  return color_utils::HSL();
+}
+
 int DefaultThemeProvider::GetDisplayProperty(int id) const {
   return -1;
 }