Pull up equivalent image decoding tests

third_party/WebKit/Source/platform/image-decoders/ImageDecoderTestHelpers.h

Index: third_party/WebKit/Source/platform/image-decoders/ImageDecoderTestHelpers.h
diff --git a/third_party/WebKit/Source/platform/image-decoders/ImageDecoderTestHelpers.h b/third_party/WebKit/Source/platform/image-decoders/ImageDecoderTestHelpers.h
index d860e5087f22439af91d4acd8e156994e60371d3..a4bdf9fcf6dfe1045b6661c258e742ed0c222cb0 100644
--- a/third_party/WebKit/Source/platform/image-decoders/ImageDecoderTestHelpers.h
+++ b/third_party/WebKit/Source/platform/image-decoders/ImageDecoderTestHelpers.h
@@ -25,4 +25,19 @@ void testByteByByteDecode(DecoderCreator createDecoder,
                           size_t expectedFrameCount,
                           int expectedRepetitionCount);
 void testMergeBuffer(DecoderCreator createDecoder, const char* file);
+void testRandomFrameDecode(DecoderCreator,
+                           const char* file,
+                           size_t skippingStep = 5);
+void testRandomDecodeAfterClearFrameBufferCache(DecoderCreator,
+                                                const char* file,
+                                                size_t skippingStep = 5);
+void testDecodeAfterReallocatingData(DecoderCreator, const char* file);
+void testByteByByteSizeAvailable(DecoderCreator,
+                                 const char* file,
+                                 size_t frameOffset,
+                                 bool hasColorSpace,
+                                 int expectedRepetitionCount);
+void testProgressiveDecoding(DecoderCreator,
+                             const char* file,
+                             size_t incrementi = 1);
 }  // namespace blink