[WebUI] Add a chrome://prefs-internals page

chrome/common/url_constants.h

Index: chrome/common/url_constants.h
diff --git a/chrome/common/url_constants.h b/chrome/common/url_constants.h
index 4cf07a2ca9b80582b0788909484c70d7b6c05bd5..ebc34b6bfdabd70faa545ecd159e74d3b7ad2624 100644
--- a/chrome/common/url_constants.h
+++ b/chrome/common/url_constants.h
@@ -161,6 +161,7 @@ extern const char kChromeUICertificateViewerHost[];
 extern const char kChromeUICertificateViewerDialogHost[];
 extern const char kChromeUIChromeSigninHost[];
 extern const char kChromeUIChromeURLsHost[];
+extern const char kChromeUIComponentsHost[];
 extern const char kChromeUIConflictsHost[];
 extern const char kChromeUIConstrainedHTMLTestHost[];
 extern const char kChromeUICrashesHost[];
@@ -211,8 +212,8 @@ extern const char kChromeUINTPTilesInternalsHost[];
 extern const char kChromeUIOfflineInternalsHost[];
 extern const char kChromeUIOmniboxHost[];
 extern const char kChromeUIPhysicalWebHost[];
-extern const char kChromeUIComponentsHost[];
 extern const char kChromeUIPolicyHost[];
+extern const char kChromeUIPrefsInternalsHost[];
 extern const char kChromeUIMdUserManagerHost[];
 extern const char kChromeUIPredictorsHost[];
 extern const char kChromeUIProfilerHost[];