Implement kCurrentThemeID so we can know what the last theme to be installed ...

chrome/browser/browser_theme_provider.h

 // Copyright (c) 2009 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_BROWSER_THEME_PROVIDER_H_
 #define CHROME_BROWSER_BROWSER_THEME_PROVIDER_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 78 matching lines @@
   static const SkColor kDefaultColorControlBackground;
   static const SkColor kDefaultColorButtonBackground;
 
   static const skia::HSL kDefaultTintButtons;
   static const skia::HSL kDefaultTintFrame;
   static const skia::HSL kDefaultTintFrameInactive;
   static const skia::HSL kDefaultTintFrameIncognito;
   static const skia::HSL kDefaultTintFrameIncognitoInactive;
   static const skia::HSL kDefaultTintBackgroundTab;
 
+  static const char* kDefaultThemeID;
+
  public:
   BrowserThemeProvider();
   virtual ~BrowserThemeProvider();
 
   enum {
     COLOR_FRAME,
     COLOR_FRAME_INACTIVE,
     COLOR_FRAME_INCOGNITO,
     COLOR_FRAME_INCOGNITO_INACTIVE,
     COLOR_TOOLBAR,
@@ skipping 54 matching lines @@
   // Set the current theme to the theme defined in |extension|.
   virtual void SetTheme(Extension* extension);
 
   // Reset the theme to default.
   virtual void UseDefaultTheme();
 
   // Set the current theme to the native theme. On some platforms, the native
   // theme is the default theme.
   virtual void SetNativeTheme() { UseDefaultTheme(); }
 
+  // Gets the id of the last installed theme. (The theme may have been further
+  // locally customized.)
+  std::string GetThemeID();
+
   // Convert a bitfield alignment into a string like "top left". Public so that
   // it can be used to generate CSS values. Takes a bitfield of AlignmentMasks.
   static std::string AlignmentToString(int alignment);
 
   // Parse alignments from something like "top left" into a bitfield of
   // AlignmentMasks
   static int StringToAlignment(const std::string &alignment);
 
   // Convert a tiling value into a string like "no-repeat". Public
   // so that it can be used to generate CSS values. Takes a Tiling.
@@ skipping 82 matching lines @@
   // Create any images that aren't pregenerated (e.g. background tab images).
   SkBitmap* GenerateBitmap(int id);
 
   // Save our data - when saving images we need the original dictionary
   // from the extension because it contains the text ids that we want to save.
   void SaveImageData(DictionaryValue* images);
   void SaveColorData();
   void SaveTintData();
   void SaveDisplayPropertyData();
 
+  // Save the id of the last theme installed.
+  void SaveThemeID(const std::string& id);
+
   SkColor FindColor(const char* id, SkColor default_color);
 
   // Frees generated images and clears the image cache.
   void ClearCaches();
 
   // Clears the platform-specific caches. Do not call directly; it's called
   // from ClearCaches().
   void FreePlatformCaches();
 
 #if defined(OS_LINUX) && !defined(TOOLKIT_VIEWS)
@@ skipping 21 matching lines @@
 
   ImageMap images_;
   ColorMap colors_;
   TintMap tints_;
   DisplayPropertyMap display_properties_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserThemeProvider);
 };
 
 #endif  // CHROME_BROWSER_BROWSER_THEME_PROVIDER_H_