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

chrome/browser/themes/theme_service.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 CHROME_BROWSER_THEMES_THEME_SERVICE_H_
 #define CHROME_BROWSER_THEMES_THEME_SERVICE_H_
 
 #include <map>
 #include <memory>
 #include <set>
@@ skipping 172 matching lines @@
   // This class implements ui::ThemeProvider on behalf of ThemeService and keeps
   // track of the incognito state of the calling code.
   class BrowserThemeProvider : public ui::ThemeProvider {
    public:
     BrowserThemeProvider(const ThemeService& theme_service, bool incognito);
     ~BrowserThemeProvider() override;
 
     // Overridden from ui::ThemeProvider:
     gfx::ImageSkia* GetImageSkiaNamed(int id) const override;
     SkColor GetColor(int original_id) const override;
+    color_utils::HSL GetTint(int original_id) const override;
     int GetDisplayProperty(int id) const override;
     bool ShouldUseNativeFrame() const override;
     bool HasCustomImage(int id) const override;
     base::RefCountedMemory* GetRawData(int id, ui::ScaleFactor scale_factor)
         const override;
 #if defined(OS_MACOSX)
     bool UsingSystemTheme() const override;
     bool InIncognitoMode() const override;
     bool HasCustomColor(int id) const override;
     NSImage* GetNSImageNamed(int id) const override;
@@ skipping 122 matching lines @@
 
   BrowserThemeProvider original_theme_provider_;
   BrowserThemeProvider incognito_theme_provider_;
 
   base::WeakPtrFactory<ThemeService> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ThemeService);
 };
 
 #endif  // CHROME_BROWSER_THEMES_THEME_SERVICE_H_