Implement SkEncodeImage()

content/renderer/gpu/gpu_benchmarking_extension.cc

Index: content/renderer/gpu/gpu_benchmarking_extension.cc
diff --git a/content/renderer/gpu/gpu_benchmarking_extension.cc b/content/renderer/gpu/gpu_benchmarking_extension.cc
index b4aadc1821371c8c2cb537cb04af6c68f50f3049..1f1f32f46bf3cc8164dfe524bb5b20fc46eadd5b 100644
--- a/content/renderer/gpu/gpu_benchmarking_extension.cc
+++ b/content/renderer/gpu/gpu_benchmarking_extension.cc
@@ -35,6 +35,7 @@
 #include "gin/handle.h"
 #include "gin/object_template_builder.h"
 #include "gpu/ipc/common/gpu_messages.h"
+#include "skia/ext/skia_encode_image.h"
 #include "third_party/WebKit/public/web/WebImageCache.h"
 #include "third_party/WebKit/public/web/WebKit.h"
 #include "third_party/WebKit/public/web/WebLocalFrame.h"
@@ -51,6 +52,7 @@
 // Note that headers in third_party/skia/src are fragile.  This is
 // an experimental, fragile, and diagnostic-only document type.
 #include "third_party/skia/src/utils/SkMultiPictureDocument.h"
+#include "ui/gfx/codec/install_skia_codec.h"
 #include "ui/gfx/codec/png_codec.h"
 #include "v8/include/v8.h"
 
@@ -594,8 +596,12 @@ void GpuBenchmarking::PrintPagesToSkPictures(v8::Isolate* isolate,
 
 void GpuBenchmarking::PrintPagesToXPS(v8::Isolate* isolate,
                                       const std::string& filename) {
-    PrintDocumentTofile(isolate, filename,
-                        [](SkWStream* s) { return SkDocument::MakeXPS(s); });
+  // SkXPS requires an image encoder be set up.  XPS needs to me configured to
+  // work outside of the sandbox.  TODO(halcanary) implement that, and
+  // call SetImageEncoder will be performed when the sandbox is set up.
+  skia::SetImageEncoder(&gfx::EncodeImage);
+  PrintDocumentTofile(isolate, filename,
+                      [](SkWStream* s) { return SkDocument::MakeXPS(s); });
 }
 
 void GpuBenchmarking::PrintToSkPicture(v8::Isolate* isolate,