gin: Create a DataObjectBuilder class to help create simple data objects.

content/renderer/skia_benchmarking_extension.cc

 // Copyright (c) 2013 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.
 
 #include "content/renderer/skia_benchmarking_extension.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/base64.h"
 #include "base/time/time.h"
 #include "base/values.h"
 #include "cc/base/math_util.h"
 #include "content/public/child/v8_value_converter.h"
 #include "content/public/renderer/chrome_object_extensions_utils.h"
 #include "content/renderer/render_thread_impl.h"
 #include "gin/arguments.h"
+#include "gin/data_object_builder.h"
 #include "gin/handle.h"
 #include "gin/object_template_builder.h"
 #include "skia/ext/benchmarking_canvas.h"
 #include "third_party/WebKit/public/web/WebArrayBuffer.h"
 #include "third_party/WebKit/public/web/WebArrayBufferConverter.h"
 #include "third_party/WebKit/public/web/WebFrame.h"
 #include "third_party/WebKit/public/web/WebKit.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "third_party/skia/include/core/SkColorPriv.h"
 #include "third_party/skia/include/core/SkGraphics.h"
@@ skipping 223 matching lines @@
   uint8_t* buffer_pixels = reinterpret_cast<uint8_t*>(buffer.Data());
   // Swizzle from native Skia format to RGBA as we copy out.
   for (size_t i = 0; i < bitmap.getSize(); i += 4) {
     uint32_t c = packed_pixels[i >> 2];
     buffer_pixels[i] = SkGetPackedR32(c);
     buffer_pixels[i + 1] = SkGetPackedG32(c);
     buffer_pixels[i + 2] = SkGetPackedB32(c);
     buffer_pixels[i + 3] = SkGetPackedA32(c);
   }
 
-  v8::Local<v8::Object> result = v8::Object::New(isolate);
-  result->Set(v8::String::NewFromUtf8(isolate, "width"),
-              v8::Number::New(isolate, snapped_clip.width()));
-  result->Set(v8::String::NewFromUtf8(isolate, "height"),
-              v8::Number::New(isolate, snapped_clip.height()));
-  result->Set(v8::String::NewFromUtf8(isolate, "data"),
-              blink::WebArrayBufferConverter::ToV8Value(
-                  &buffer, context->Global(), isolate));
-
-  args->Return(result);
+  args->Return(gin::DataObjectBuilder(isolate)
+                   .Set("width", snapped_clip.width())
+                   .Set("height", snapped_clip.height())
+                   .Set("data", blink::WebArrayBufferConverter::ToV8Value(
+                                    &buffer, context->Global(), isolate))
+                   .Finish());
 }
 
 void SkiaBenchmarking::GetOps(gin::Arguments* args) {
   v8::Isolate* isolate = args->isolate();
   if (args->PeekNext().IsEmpty())
     return;
   v8::Local<v8::Value> picture_handle;
   args->GetNext(&picture_handle);
   std::unique_ptr<Picture> picture = ParsePictureHash(isolate, picture_handle);
   if (!picture.get())
@@ skipping 64 matching lines @@
   v8::Local<v8::Object> result = v8::Object::New(isolate);
   result->Set(v8::String::NewFromUtf8(isolate, "width"),
               v8::Number::New(isolate, picture->layer_rect.width()));
   result->Set(v8::String::NewFromUtf8(isolate, "height"),
               v8::Number::New(isolate, picture->layer_rect.height()));
 
   args->Return(result);
 }
 
 } // namespace content