Re-enable DrMemory test for ICOImageDecoderTests.parseAndDecodeByteByByte.

third_party/WebKit/Source/platform/image-decoders/ico/ICOImageDecoderTest.cpp

Index: third_party/WebKit/Source/platform/image-decoders/ico/ICOImageDecoderTest.cpp
diff --git a/third_party/WebKit/Source/platform/image-decoders/ico/ICOImageDecoderTest.cpp b/third_party/WebKit/Source/platform/image-decoders/ico/ICOImageDecoderTest.cpp
index 31b0a3f7ebb3308774d91a9cc2732e12ca1e9db7..857d05fcd09b5d792848d221386520267b23396b 100644
--- a/third_party/WebKit/Source/platform/image-decoders/ico/ICOImageDecoderTest.cpp
+++ b/third_party/WebKit/Source/platform/image-decoders/ico/ICOImageDecoderTest.cpp
@@ -28,4 +28,32 @@ TEST(ICOImageDecoderTests, parseAndDecodeByteByByte)
     testByteByByteDecode(&createDecoder, "/LayoutTests/fast/images/resources/1bit.ico", 1u, cAnimationNone);
 }
 
+TEST(ICOImageDecoderTests, setDataTruncated)
+{
+    std::unique_ptr<ImageDecoder> decoder = createDecoder();
+
+    RefPtr<SharedBuffer> data = readFile("/LayoutTests/fast/images/resources/wrong-frame-dimensions.ico");
+    ASSERT_TRUE(data.get());
+
+    ASSERT_GE(data->size(), 10u);
+    RefPtr<SharedBuffer> tempData = SharedBuffer::create(data->data(), data->size() - 10);
+    decoder->setData(tempData.get(), true);
+
+    EXPECT_EQ(3u, decoder->frameCount());
+    EXPECT_FALSE(decoder->failed());
+
+    // Issue 621488 - all data received, but truncated.
+    RefPtr<SharedBuffer> emptyData = SharedBuffer::create(data->data(), size_t { 0 });
+    decoder->setData(emptyData.get(), true);
+    EXPECT_EQ(3u, decoder->frameCount());
+    EXPECT_TRUE(decoder->failed());
+
+    decoder = createDecoder();
+    decoder->setData(tempData.get(), true);
+    decoder->frameBufferAtIndex(2);
+    EXPECT_FALSE(decoder->failed());
+    decoder->frameBufferAtIndex(1);
+    EXPECT_TRUE(decoder->failed());
+}
+
 } // namespace blink