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

BUG=none
TEST=not visible in UI

Review URL: http://codereview.chromium.org/159705

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@22270 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 9 insertions, 0 deletions

diff --git a/chrome/browser/browser_theme_provider.h b/chrome/browser/browser_theme_provider.h
index 63eca78..d1cd510 100644
--- a/chrome/browser/browser_theme_provider.h
+++ b/chrome/browser/browser_theme_provider.h
@@ -96,6 +96,8 @@ class BrowserThemeProvider : public base::RefCounted<BrowserThemeProvider>,
   static const skia::HSL kDefaultTintFrameIncognitoInactive;
   static const skia::HSL kDefaultTintBackgroundTab;
 
+  static const char* kDefaultThemeID;
+
  public:
   BrowserThemeProvider();
   virtual ~BrowserThemeProvider();
@@ -170,6 +172,10 @@ class BrowserThemeProvider : public base::RefCounted<BrowserThemeProvider>,
   // 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);
@@ -272,6 +278,9 @@ class BrowserThemeProvider : public base::RefCounted<BrowserThemeProvider>,
   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.