Extensions: Consolidate extension id hashing / searching.

chrome/browser/ui/bookmarks/enhanced_bookmark_key_service.cc

Index: chrome/browser/ui/bookmarks/enhanced_bookmark_key_service.cc
diff --git a/chrome/browser/ui/bookmarks/enhanced_bookmark_key_service.cc b/chrome/browser/ui/bookmarks/enhanced_bookmark_key_service.cc
index ff39e07dfe7d5c8e6498edcc77f375dcd1df0a5c..f763b5180a3e25b33ae49ad2eeba344b78bb85c3 100644
--- a/chrome/browser/ui/bookmarks/enhanced_bookmark_key_service.cc
+++ b/chrome/browser/ui/bookmarks/enhanced_bookmark_key_service.cc
@@ -6,7 +6,6 @@
 
 #include <algorithm>
 
-#include "base/sha1.h"
 #include "base/strings/string_number_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/extensions/api/commands/command_service.h"
@@ -74,12 +73,10 @@ EnhancedBookmarkKeyService::GetEnhancedBookmarkExtension() const {
   extensions::ExtensionSet::const_iterator loc =
       std::find_if(extensions.begin(), extensions.end(),
                    [](scoped_refptr<const extensions::Extension> extension) {
-                     static const char enhanced_extension_hash[] =
+                     static const char enhanced_ext_hash[] =
                          // http://crbug.com/312900
                          "D5736E4B5CF695CB93A2FB57E4FDC6E5AFAB6FE2";
-                     std::string hash = base::SHA1HashString(extension->id());
-                     return base::HexEncode(hash.c_str(), hash.length()) ==
-                         enhanced_extension_hash;
+                     return extension->HashedIdInHex() == enhanced_ext_hash;
                    });
   return loc != extensions.end() ? loc->get() : nullptr;
 }