Add OffscreenCanvas to ImageBitmapSource union typedef

third_party/WebKit/Source/bindings/core/v8/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//testing/libfuzzer/fuzzer_test.gni")
 import("//third_party/WebKit/Source/bindings/bindings.gni")
 import("//third_party/WebKit/Source/bindings/scripts/scripts.gni")
 import("//third_party/WebKit/Source/core/core.gni")
 import("//third_party/WebKit/Source/core/core_idl_files.gni")
 
@@ skipping 146 matching lines @@
   "$bindings_core_v8_output_dir/DoubleOrStringOrStringArray.cpp",
   "$bindings_core_v8_output_dir/DoubleOrStringOrStringArray.h",
   "$bindings_core_v8_output_dir/DoubleOrStringOrStringSequence.cpp",
   "$bindings_core_v8_output_dir/DoubleOrStringOrStringSequence.h",
   "$bindings_core_v8_output_dir/EventListenerOptionsOrBoolean.cpp",
   "$bindings_core_v8_output_dir/EventListenerOptionsOrBoolean.h",
   "$bindings_core_v8_output_dir/FileOrUSVString.cpp",
   "$bindings_core_v8_output_dir/FileOrUSVString.h",
   "$bindings_core_v8_output_dir/HTMLElementOrLong.cpp",
   "$bindings_core_v8_output_dir/HTMLElementOrLong.h",
-  "$bindings_core_v8_output_dir/HTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrImageBitmap.cpp",
-  "$bindings_core_v8_output_dir/HTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrImageBitmap.h",
+  "$bindings_core_v8_output_dir/HTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrImageBitmapOrOffscreenCanvas.cpp",
+  "$bindings_core_v8_output_dir/HTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrImageBitmapOrOffscreenCanvas.h",
   "$bindings_core_v8_output_dir/HTMLOptionElementOrHTMLOptGroupElement.cpp",
   "$bindings_core_v8_output_dir/HTMLOptionElementOrHTMLOptGroupElement.h",
   "$bindings_core_v8_output_dir/HTMLScriptElementOrSVGScriptElement.cpp",
   "$bindings_core_v8_output_dir/HTMLScriptElementOrSVGScriptElement.h",
   "$bindings_core_v8_output_dir/NodeListOrElement.cpp",
   "$bindings_core_v8_output_dir/NodeListOrElement.h",
   "$bindings_core_v8_output_dir/NodeOrString.cpp",
   "$bindings_core_v8_output_dir/NodeOrString.h",
   "$bindings_core_v8_output_dir/RadioNodeListOrElement.cpp",
   "$bindings_core_v8_output_dir/RadioNodeListOrElement.h",
@@ skipping 133 matching lines @@
 fuzzer_test("v8_serialized_script_value_fuzzer") {
   sources = [
     "serialization/SerializedScriptValueFuzzer.cpp",
   ]
   seed_corpus = "serialization/fuzz_corpus"
   deps = [
     "//third_party/WebKit/Source/core",
     "//third_party/WebKit/Source/platform:blink_fuzzer_test_support",
   ]
 }