Validate image files before writing them to media galleries.

webkit/browser/fileapi/mock_file_system_context.h

Index: webkit/browser/fileapi/mock_file_system_context.h
diff --git a/webkit/browser/fileapi/mock_file_system_context.h b/webkit/browser/fileapi/mock_file_system_context.h
index 04808997fd30d995bd5d9377f15d5ece56e105b8..2081ff994dcfbe65d457a17f0e9a980c6d9abf8d 100644
--- a/webkit/browser/fileapi/mock_file_system_context.h
+++ b/webkit/browser/fileapi/mock_file_system_context.h
@@ -6,6 +6,7 @@
 #define WEBKIT_BROWSER_FILEAPI_MOCK_FILE_SYSTEM_CONTEXT_H_
 
 #include "base/files/file_path.h"
+#include "base/memory/scoped_vector.h"
 
 namespace quota {
 class QuotaManagerProxy;
@@ -15,11 +16,19 @@ class SpecialStoragePolicy;
 namespace fileapi {
 
 class FileSystemContext;
+class FileSystemMountPointProvider;
 
 FileSystemContext* CreateFileSystemContextForTesting(
     quota::QuotaManagerProxy* quota_manager_proxy,
     const base::FilePath& base_path);
 
+// The caller is responsible for including TestMountPointProvider in
+// |additional_providers| if needed.
+FileSystemContext* CreateFileSystemContextWithAdditionalProvidersForTesting(
+    quota::QuotaManagerProxy* quota_manager_proxy,
+    ScopedVector<FileSystemMountPointProvider> additional_providers,
+    const base::FilePath& base_path);
+
 }  // namespace fileapi
 
 #endif  // WEBKIT_BROWSER_FILEAPI_MOCK_FILE_SYSTEM_CONTEXT_H_