Remove OwnPtr::release() calls in core/ (part 2).

third_party/WebKit/Source/core/fileapi/File.cpp

Index: third_party/WebKit/Source/core/fileapi/File.cpp
diff --git a/third_party/WebKit/Source/core/fileapi/File.cpp b/third_party/WebKit/Source/core/fileapi/File.cpp
index 5da36bdea9cb5feafd6d78fb6e0b578c715b9e0c..0270ccae89517989bc9f770ef417b0317e2c679c 100644
--- a/third_party/WebKit/Source/core/fileapi/File.cpp
+++ b/third_party/WebKit/Source/core/fileapi/File.cpp
@@ -59,7 +59,7 @@ static PassOwnPtr<BlobData> createBlobDataForFileWithType(const String& path, co
     OwnPtr<BlobData> blobData = BlobData::create();
     blobData->setContentType(contentType);
     blobData->appendFile(path);
-    return blobData.release();
+    return blobData;
 }
 
 static PassOwnPtr<BlobData> createBlobDataForFile(const String& path, File::ContentTypeLookupPolicy policy)
@@ -77,7 +77,7 @@ static PassOwnPtr<BlobData> createBlobDataForFileWithMetadata(const String& file
     OwnPtr<BlobData> blobData = BlobData::create();
     blobData->setContentType(getContentTypeFromFileName(fileSystemName, File::WellKnownContentTypes));
     blobData->appendFile(metadata.platformPath, 0, metadata.length, metadata.modificationTime / msPerSecond);
-    return blobData.release();
+    return blobData;
 }
 
 static PassOwnPtr<BlobData> createBlobDataForFileSystemURL(const KURL& fileSystemURL, const FileMetadata& metadata)
@@ -85,7 +85,7 @@ static PassOwnPtr<BlobData> createBlobDataForFileSystemURL(const KURL& fileSyste
     OwnPtr<BlobData> blobData = BlobData::create();
     blobData->setContentType(getContentTypeFromFileName(fileSystemURL.path(), File::WellKnownContentTypes));
     blobData->appendFileSystemURL(fileSystemURL, 0, metadata.length, metadata.modificationTime / msPerSecond);
-    return blobData.release();
+    return blobData;
 }
 
 // static
@@ -112,7 +112,7 @@ File* File::create(ExecutionContext* context, const HeapVector<ArrayBufferOrArra
     populateBlobData(blobData.get(), fileBits, normalizeLineEndingsToNative);
 
     long long fileSize = blobData->length();
-    return File::create(fileName, lastModified, BlobDataHandle::create(blobData.release(), fileSize));
+    return File::create(fileName, lastModified, BlobDataHandle::create(std::move(blobData), fileSize));
 }
 
 File* File::createWithRelativePath(const String& path, const String& relativePath)
@@ -285,7 +285,7 @@ Blob* File::slice(long long start, long long end, const String& contentType, Exc
         ASSERT(!m_path.isEmpty());
         blobData->appendFile(m_path, start, length, modificationTimeMS / msPerSecond);
     }
-    return Blob::create(BlobDataHandle::create(blobData.release(), length));
+    return Blob::create(BlobDataHandle::create(std::move(blobData), length));
 }
 
 void File::captureSnapshot(long long& snapshotSize, double& snapshotModificationTimeMS) const