Google drive forms should not appear in the "offline" tab of Files.app.

google_apis/drive/gdata_wapi_parser.cc

Index: google_apis/drive/gdata_wapi_parser.cc
diff --git a/google_apis/drive/gdata_wapi_parser.cc b/google_apis/drive/gdata_wapi_parser.cc
index 1951c177a5e904aa6bca86f0aea940a0f8337361..2f3c97847a16254864334acb6c384a7da9f0016b 100644
--- a/google_apis/drive/gdata_wapi_parser.cc
+++ b/google_apis/drive/gdata_wapi_parser.cc
@@ -536,6 +536,17 @@ std::string ResourceEntry::GetHostedDocumentExtension() const {
 }
 
 // static
+DriveEntryKind ResourceEntry::GetEntryKindFromExtension(
+    const std::string& extension) {
+  for (size_t i = 0; i < arraysize(kEntryKindMap); ++i) {
+    const char* document_extension = kEntryKindMap[i].extension;
+    if (document_extension && extension == document_extension)
+      return kEntryKindMap[i].kind;
+  }
+  return ENTRY_KIND_UNKNOWN;
+}
+
+// static
 int ResourceEntry::ClassifyEntryKindByFileExtension(
     const base::FilePath& file_path) {
 #if defined(OS_WIN)
@@ -543,12 +554,7 @@ int ResourceEntry::ClassifyEntryKindByFileExtension(
 #else
   std::string file_extension = file_path.Extension();
 #endif
-  for (size_t i = 0; i < arraysize(kEntryKindMap); ++i) {
-    const char* document_extension = kEntryKindMap[i].extension;
-    if (document_extension && file_extension == document_extension)
-      return ClassifyEntryKind(kEntryKindMap[i].kind);
-  }
-  return 0;
+  return ClassifyEntryKind(GetEntryKindFromExtension(file_extension));
 }
 
 // static