content: Extract url utility functions into url_utils.{h,cc}

content/public/common/url_constants.cc

Index: content/public/common/url_constants.cc
diff --git a/content/public/common/url_constants.cc b/content/public/common/url_constants.cc
index 1e91a167700cb3cf5605e58a5e13c7292068b873..1f458e6ffd0a1a1b6ce56049c512592ab5bd425e 100644
--- a/content/public/common/url_constants.cc
+++ b/content/public/common/url_constants.cc
@@ -4,9 +4,6 @@
 
 #include "content/public/common/url_constants.h"
 
-#include "content/common/savable_url_schemes.h"
-#include "googleurl/src/gurl.h"
-
 namespace chrome {
 
 const char kAboutScheme[] = "about";
@@ -74,17 +71,4 @@ const char kChromeUIShorthangURL[] = "chrome://shorthang";
 // scripted by other pages in the process.
 const char kSwappedOutURL[] = "swappedout://";
 
-const char* const* GetSavableSchemes() {
-  return GetSavableSchemesInternal();
-}
-
-bool HasWebUIScheme(const GURL& url) {
-  return
-#if !defined(OS_IOS)
-         url.SchemeIs(chrome::kChromeDevToolsScheme) ||
-         url.SchemeIs(chrome::kChromeInternalScheme) ||
-#endif
-         url.SchemeIs(chrome::kChromeUIScheme);
-}
-
 }  // namespace content