Revert 88142 to fix sync_integration_tests offline.

*Fixup about and chrome scheme URLs in URLFixerUpper::FixupURL.
*Update AboutSource to use the source_name of each about/chrome page.
*Make WillHandleBrowserAboutURL fix up schemes and handle chrome://foo/
-Redirect memory to memory-redirect (wasn't handling chrome://memory/).
-Catalog all kChromeUI*Hosts in url_constants.cc
-Simplify paths (credits, os-credits, ipc, settings, about/version).
-Nix web_ui_util::ChromeURLHostEquals (use scheme & host comparison).
-Favor GURL::SchemeIs and url_constants, update & expand tests.
-Add and fixup chrome://chrome-urls (the about:about page).

BUG=55771
TEST=Access about:, about://, chrome:, chrome:// pages.

Review URL: http://codereview.chromium.org/7068007

TBR=msw@chromium.org
Review URL: http://codereview.chromium.org/7064052

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@88166 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 10 insertions, 6 deletions

diff --git a/chrome/browser/browser_about_handler.h b/chrome/browser/browser_about_handler.h
index 5fa8051..caaeba3 100644
--- a/chrome/browser/browser_about_handler.h
+++ b/chrome/browser/browser_about_handler.h
@@ -19,21 +19,25 @@ template <typename T> struct DefaultSingletonTraits;
 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")