Revert 151238 - Check for space before storing files to the cache.

chrome/browser/chromeos/gdata/gdata_cache.cc

Index: chrome/browser/chromeos/gdata/gdata_cache.cc
===================================================================
--- chrome/browser/chromeos/gdata/gdata_cache.cc	(revision 151240)
+++ chrome/browser/chromeos/gdata/gdata_cache.cc	(working copy)
@@ -832,22 +832,6 @@
   AssertOnSequencedWorkerPool();
   DCHECK(error);
 
-  if (file_operation_type == FILE_OPERATION_COPY) {
-    int64 file_size;
-    if (!file_util::GetFileSize(source_path, &file_size)) {
-      LOG(WARNING) << "Couldn't get file size for: " << source_path.value();
-      *error = GDATA_FILE_ERROR_FAILED;
-      return;
-    }
-
-    bool enough_space = false;
-    FreeDiskSpaceIfNeededFor(file_size, &enough_space);
-    if (!enough_space) {
-      *error = GDATA_FILE_ERROR_NO_SPACE;
-      return;
-    }
-  }
-
   FilePath dest_path;
   FilePath symlink_path;
   CacheSubDirectoryType sub_dir_type = CACHE_TYPE_TMP;