Revert 88142 to fix sync_integration_tests offline.

chrome/browser/browser_about_handler.h

Index: chrome/browser/browser_about_handler.h
===================================================================
--- chrome/browser/browser_about_handler.h	(revision 88158)
+++ chrome/browser/browser_about_handler.h	(working copy)
@@ -19,21 +19,25 @@
 class GURL;
 class Profile;
 
-// Returns true if the given URL will be handled by the browser about handler.
-// |url| should have been processed by URLFixerUpper::FixupURL, which replaces
-// the about: scheme with chrome:// for all about:foo URLs except "about:blank".
-// Some |url| host values will be replaced with their respective redirects.
+// Decides whether the given URL will be handled by the browser about handler
+// and returns true if so. On true, it may also modify the given URL to be the
+// final form (we fix up most "about:" URLs to be "chrome:" because WebKit
+// handles all "about:" URLs as "about:blank.
 //
 // This is used by BrowserURLHandler.
 bool WillHandleBrowserAboutURL(GURL* url, Profile* profile);
 
+// Register the data source for chrome://about URLs.
+// Safe to call multiple times.
+void InitializeAboutDataSource(Profile* profile);
+
 // We have a few magic commands that don't cause navigations, but rather pop up
 // dialogs. This function handles those cases, and returns true if so. In this
 // case, normal tab navigation should be skipped.
 bool HandleNonNavigationAboutURL(const GURL& url);
 
-// Gets the paths that are shown in chrome://chrome-urls.
-std::vector<std::string> ChromePaths();
+// Gets the paths that are shown in about:about.
+std::vector<std::string> AboutPaths();
 
 #if defined(USE_TCMALLOC)
 // A map of header strings (e.g. "Browser", "Renderer PID 123")