Handle JS-created files in <input type="file">.

Source/core/fileapi/File.cpp

Index: Source/core/fileapi/File.cpp
diff --git a/Source/core/fileapi/File.cpp b/Source/core/fileapi/File.cpp
index 239c9c7f44533b526454c5d4a7cdaab150eaedc2..d885dd1b7481906d9be10220007fc79ef468fcde 100644
--- a/Source/core/fileapi/File.cpp
+++ b/Source/core/fileapi/File.cpp
@@ -88,14 +88,15 @@ static PassOwnPtr<BlobData> createBlobDataForFileSystemURL(const KURL& fileSyste
 
 PassRefPtrWillBeRawPtr<File> File::createWithRelativePath(const String& path, const String& relativePath)
 {
-    RefPtrWillBeRawPtr<File> file = adoptRefWillBeNoop(new File(path, AllContentTypes));
+    RefPtrWillBeRawPtr<File> file = adoptRefWillBeNoop(new File(path, File::AllContentTypes, File::IsUserVisible));
     file->m_relativePath = relativePath;
     return file.release();
 }
 
-File::File(const String& path, ContentTypeLookupPolicy policy)
+File::File(const String& path, ContentTypeLookupPolicy policy, UserVisibility userVisibility)
     : Blob(BlobDataHandle::create(createBlobDataForFile(path, policy), -1))
     , m_hasBackingFile(true)
+    , m_userVisibility(userVisibility)
     , m_path(path)
     , m_name(blink::Platform::current()->fileUtilities()->baseName(path))
     , m_snapshotSize(-1)
@@ -104,9 +105,10 @@ File::File(const String& path, ContentTypeLookupPolicy policy)
     ScriptWrappable::init(this);
 }
 
-File::File(const String& path, const String& name, ContentTypeLookupPolicy policy)
+File::File(const String& path, const String& name, ContentTypeLookupPolicy policy, UserVisibility userVisibility)
     : Blob(BlobDataHandle::create(createBlobDataForFileWithName(path, name, policy), -1))
     , m_hasBackingFile(true)
+    , m_userVisibility(userVisibility)
     , m_path(path)
     , m_name(name)
     , m_snapshotSize(-1)
@@ -118,6 +120,7 @@ File::File(const String& path, const String& name, ContentTypeLookupPolicy polic
 File::File(const String& path, const String& name, const String& relativePath, bool hasSnaphotData, uint64_t size, double lastModified, PassRefPtr<BlobDataHandle> blobDataHandle)
     : Blob(blobDataHandle)
     , m_hasBackingFile(!path.isEmpty() || !relativePath.isEmpty())
+    , m_userVisibility(File::IsNotUserVisible)
     , m_path(path)
     , m_name(name)
     , m_snapshotSize(hasSnaphotData ? static_cast<long long>(size) : -1)
@@ -130,6 +133,7 @@ File::File(const String& path, const String& name, const String& relativePath, b
 File::File(const String& name, double modificationTime, PassRefPtr<BlobDataHandle> blobDataHandle)
     : Blob(blobDataHandle)
     , m_hasBackingFile(false)
+    , m_userVisibility(File::IsNotUserVisible)
     , m_name(name)
     , m_snapshotSize(Blob::size())
     , m_snapshotModificationTime(modificationTime)
@@ -138,8 +142,9 @@ File::File(const String& name, double modificationTime, PassRefPtr<BlobDataHandl
 }
 
 File::File(const String& name, const FileMetadata& metadata)
-    : Blob(BlobDataHandle::create(createBlobDataForFileWithMetadata(name, metadata),  metadata.length))
+    : Blob(BlobDataHandle::create(createBlobDataForFileWithMetadata(name, metadata), metadata.length))
     , m_hasBackingFile(true)
+    , m_userVisibility(File::IsNotUserVisible)
     , m_path(metadata.platformPath)
     , m_name(name)
     , m_snapshotSize(metadata.length)
@@ -151,6 +156,7 @@ File::File(const String& name, const FileMetadata& metadata)
 File::File(const KURL& fileSystemURL, const FileMetadata& metadata)
     : Blob(BlobDataHandle::create(createBlobDataForFileSystemURL(fileSystemURL, metadata), metadata.length))
     , m_hasBackingFile(true)
+    , m_userVisibility(File::IsNotUserVisible)
     , m_name(decodeURLEscapeSequences(fileSystemURL.lastPathComponent()))
     , m_fileSystemURL(fileSystemURL)
     , m_snapshotSize(metadata.length)