Get rid of DriveEntryKind.

chrome/browser/drive/drive_api_util.h

Index: chrome/browser/drive/drive_api_util.h
diff --git a/chrome/browser/drive/drive_api_util.h b/chrome/browser/drive/drive_api_util.h
index a57432011d678e98eb5b9bf132c26559872c1da4..3458f989350cb20bd5219291e76a5eb78b71222a 100644
--- a/chrome/browser/drive/drive_api_util.h
+++ b/chrome/browser/drive/drive_api_util.h
@@ -10,7 +10,6 @@
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/drive/drive_service_interface.h"
 #include "google_apis/drive/drive_common_callbacks.h"
-#include "google_apis/drive/drive_entry_kinds.h"
 #include "google_apis/drive/gdata_errorcode.h"
 
 class GURL;
@@ -88,14 +87,6 @@ void ParseShareUrlAndRun(const google_apis::GetShareUrlCallback& callback,
                          google_apis::GDataErrorCode error,
                          scoped_ptr<base::Value> value);
 
-// Converts ResourceEntry to FileResource.
-scoped_ptr<google_apis::FileResource>
-ConvertResourceEntryToFileResource(const google_apis::ResourceEntry& entry);
-
-// Returns the GData WAPI's Kind of the FileResource.
-google_apis::DriveEntryKind GetKind(
-    const google_apis::FileResource& file_resource);
-
 // Converts FileResource to ResourceEntry.
 scoped_ptr<google_apis::ResourceEntry>
 ConvertFileResourceToResourceEntry(
@@ -122,6 +113,28 @@ std::string GetMd5Digest(const base::FilePath& file_path);
 // https://developers.google.com/google-apps/documents-list/
 extern const char kWapiRootDirectoryResourceId[];
 
+// Returns preferred file extension for hosted documents which have given mime
+// type. If the given mime type is not known as one for hosted documents,
+// returns empty string.
+std::string GetHostedDocumentExtension(const std::string& mime_type);
+
+// Returns mime type for hosted documents which have given extension in form
+// ".xxx". If the given extension is not known as one for hosted documents,
+// returns empty string.
+std::string GetHostedDocumentMimeType(const std::string& extension);
+
+// Returns true if the given mime type is corresponding to one of hosted
+// documents.
+bool IsHostedDocument(const std::string& mime_type);
+
+// Returns true if the given extension is corresponding to one of hosted
+// documents.
+bool IsHostedDocumentByExtension(const std::string& extension);
+
+// Returns true if the extension of the given file is corresponding to one of
+// hosted documents.
+bool IsHostedDocumentByFileExtension(const base::FilePath& file_path);
+
 }  // namespace util
 }  // namespace drive