cc/blink: Veto checker-imaging for multipart image resources.

third_party/WebKit/Source/core/loader/resource/ImageResourceTest.cpp

 /*
  * Copyright (c) 2013, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 226 matching lines @@
     // the new image (of width |imageWidth|).
     EXPECT_EQ(kImageWidth, observer->ImageWidthOnImageNotifyFinished());
   }
 
   // Checks |content| receives the correct image.
   EXPECT_TRUE(content->HasImage());
   EXPECT_FALSE(content->GetImage()->IsNull());
   EXPECT_EQ(kImageWidth, content->GetImage()->width());
   EXPECT_EQ(kImageHeight, content->GetImage()->height());
   EXPECT_TRUE(content->GetImage()->IsBitmapImage());
+  EXPECT_FALSE(content->GetImage()->PaintImageForCurrentFrame().is_multipart());
 }
 
 AtomicString BuildContentRange(size_t range_length, size_t total_length) {
   return AtomicString(String("bytes 0-" + String::Number(range_length - 1) +
                              "/" + String::Number(total_length)));
 }
 
 void TestThatIsPlaceholderRequestAndServeResponse(
     const KURL& url,
     ImageResource* image_resource,
@@ skipping 154 matching lines @@
   // This part finishes. The image is created, callbacks are sent, and the data
   // buffer is cleared.
   image_resource->Loader()->DidFinishLoading(0.0, 0, 0, 0);
   EXPECT_TRUE(image_resource->ResourceBuffer());
   EXPECT_FALSE(image_resource->ErrorOccurred());
   ASSERT_TRUE(image_resource->GetContent()->HasImage());
   EXPECT_FALSE(image_resource->GetContent()->GetImage()->IsNull());
   EXPECT_EQ(kJpegImageWidth, image_resource->GetContent()->GetImage()->width());
   EXPECT_EQ(kJpegImageHeight,
             image_resource->GetContent()->GetImage()->height());
+  EXPECT_TRUE(image_resource->GetContent()->GetImage()->IsSVGImage());
+  EXPECT_TRUE(image_resource->GetContent()
+                  ->GetImage()
+                  ->PaintImageForCurrentFrame()
+                  .is_multipart());
+
   EXPECT_EQ(1, observer->ImageChangedCount());
   EXPECT_TRUE(observer->ImageNotifyFinishedCalled());
   EXPECT_EQ(1, observer2->ImageChangedCount());
   EXPECT_TRUE(observer2->ImageNotifyFinishedCalled());
 }
 
+TEST(ImageResourceTest, BitmapMultipartImage) {
+  ResourceFetcher* fetcher = CreateFetcher();
+  KURL test_url(kParsedURLString, kTestURL);
+  ScopedMockedURLLoad scoped_mocked_url_load(test_url, GetTestFilePath());
+  ImageResource* image_resource =
+      ImageResource::Create(ResourceRequest(test_url));
+  image_resource->SetIdentifier(CreateUniqueIdentifier());
+  fetcher->StartLoad(image_resource);
+
+  ResourceResponse multipart_response(KURL(), "multipart/x-mixed-replace", 0,
+                                      g_null_atom);
+  multipart_response.SetMultipartBoundary("boundary", strlen("boundary"));
+  image_resource->Loader()->DidReceiveResponse(
+      WrappedResourceResponse(multipart_response), nullptr);
+  EXPECT_FALSE(image_resource->GetContent()->HasImage());
+
+  const char kBoundary[] = "--boundary\n";
+  const char kContentType[] = "Content-Type: image/jpeg\n\n";
+  image_resource->AppendData(kBoundary, strlen(kBoundary));
+  image_resource->AppendData(kContentType, strlen(kContentType));
+  image_resource->AppendData(reinterpret_cast<const char*>(kJpegImage),
+                             sizeof(kJpegImage));
+  image_resource->AppendData(kBoundary, strlen(kBoundary));
+  image_resource->Loader()->DidFinishLoading(0.0, 0, 0, 0);
+  EXPECT_TRUE(image_resource->GetContent()->HasImage());
+  EXPECT_TRUE(image_resource->GetContent()->GetImage()->IsBitmapImage());
+  EXPECT_TRUE(image_resource->GetContent()
+                  ->GetImage()
+                  ->PaintImageForCurrentFrame()
+                  .is_multipart());
+}
+
 TEST(ImageResourceTest, CancelOnRemoveObserver) {
   KURL test_url(kParsedURLString, kTestURL);
   ScopedMockedURLLoad scoped_mocked_url_load(test_url, GetTestFilePath());
 
   ResourceFetcher* fetcher = CreateFetcher();
 
   // Emulate starting a real load.
   ImageResource* image_resource =
       ImageResource::Create(ResourceRequest(test_url));
   image_resource->SetIdentifier(CreateUniqueIdentifier());
@@ skipping 1237 matching lines @@
   EXPECT_TRUE(observer->ImageNotifyFinishedCalled());
   EXPECT_TRUE(image_resource->GetContent()->GetImage()->IsBitmapImage());
   EXPECT_EQ(50, image_resource->GetContent()->GetImage()->width());
   EXPECT_EQ(50, image_resource->GetContent()->GetImage()->height());
 
   WTF::SetTimeFunctionsForTesting(nullptr);
 }
 
 }  // namespace
 }  // namespace blink