Media Galleries API Picasa: End-to-end browsertest.

chrome/common/media_galleries/picasa_test_util.cc

Index: chrome/common/media_galleries/picasa_test_util.cc
diff --git a/chrome/common/media_galleries/picasa_test_util.cc b/chrome/common/media_galleries/picasa_test_util.cc
index d99807576b88f51164e16d5980dfff1181a62755..d56e6f65350a4a8140b12246282bf455531ac71f 100644
--- a/chrome/common/media_galleries/picasa_test_util.cc
+++ b/chrome/common/media_galleries/picasa_test_util.cc
@@ -112,4 +112,9 @@ void WriteTestAlbumsImagesIndex(const base::FilePath& test_folder_1_path,
                            arraysize(folder_2_test_ini)));
 }
 
+bool WriteJPEGHeader(const base::FilePath& path) {
+  const char kJpegHeader[] = "\xFF\xD8\xFF";  // Per HTML5 specification.
+  return file_util::WriteFile(path, kJpegHeader, arraysize(kJpegHeader)) != -1;
+}
+
 }  // namespace picasa