Remove ResourceIdCanonicalizer from DriveServiceInterface

chrome/browser/drive/drive_api_util.cc

Index: chrome/browser/drive/drive_api_util.cc
diff --git a/chrome/browser/drive/drive_api_util.cc b/chrome/browser/drive/drive_api_util.cc
index 669f4868f4da3ebb1bd21a103495029b9d883ce5..1c0d2bec9260e37391ad659e60b84671fd1553e4 100644
--- a/chrome/browser/drive/drive_api_util.cc
+++ b/chrome/browser/drive/drive_api_util.cc
@@ -25,9 +25,6 @@ namespace drive {
 namespace util {
 namespace {
 
-// Returns the argument string.
-std::string Identity(const std::string& resource_id) { return resource_id; }
-
 struct HostedDocumentKind {
   const char* mime_type;
   const char* extension;
@@ -139,10 +136,6 @@ std::string CanonicalizeResourceId(const std::string& resource_id) {
   return resource_id;
 }
 
-ResourceIdCanonicalizer GetIdentityResourceIdCanonicalizer() {
-  return base::Bind(&Identity);
-}
-
 const char kDocsListScope[] = "https://docs.google.com/feeds/";
 const char kDriveAppsScope[] = "https://www.googleapis.com/auth/drive.apps";