Pass more frame timing information to Blink

content/renderer/gpu/render_widget_compositor_unittest.cc

+// 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.
+
+#include "content/renderer/gpu/render_widget_compositor.h"
+
+#include "cc/output/begin_frame_args.h"
+#include "content/public/test/mock_render_thread.h"
+#include "content/renderer/render_widget.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "third_party/WebKit/public/platform/WebScreenInfo.h"
+
+using testing::AllOf;
+using testing::Field;
+
+namespace content {
+
+class MockWebWidget : public blink::WebWidget {
+ public:
+  MOCK_METHOD1(beginFrame, void(const blink::WebBeginFrameArgs& args));
+};
+
+class TestRenderWidget : public RenderWidget {
+ public:
+  TestRenderWidget()
+      : RenderWidget(blink::WebPopupTypeNone,
+                     blink::WebScreenInfo(),
+                     true,
+                     false,
+                     false) {
+    webwidget_ = &mock_webwidget_;
+  }
+
+  MockWebWidget mock_webwidget_;
+
+ private:
+  virtual ~TestRenderWidget() { webwidget_ = NULL; }
+
+  DISALLOW_COPY_AND_ASSIGN(TestRenderWidget);
+};
+
+class RenderWidgetCompositorTest : public testing::Test {
+ public:
+  RenderWidgetCompositorTest()
+      : render_widget_(make_scoped_refptr(new TestRenderWidget())),
+        render_widget_compositor_(
+            RenderWidgetCompositor::Create(render_widget_.get(), false)) {}
+  virtual ~RenderWidgetCompositorTest() {}
+
+ protected:
+  MockRenderThread render_thread_;
+  scoped_refptr<TestRenderWidget> render_widget_;
+  scoped_ptr<RenderWidgetCompositor> render_widget_compositor_;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(RenderWidgetCompositorTest);
+};
+
+TEST_F(RenderWidgetCompositorTest, BeginMainFrame) {
+  base::TimeTicks frame_time(base::TimeTicks() +
+                             base::TimeDelta::FromSeconds(1));
+  base::TimeTicks deadline(base::TimeTicks() + base::TimeDelta::FromSeconds(2));
+  base::TimeDelta interval(base::TimeDelta::FromSeconds(3));
+  cc::BeginFrameArgs args(
+      cc::BeginFrameArgs::Create(frame_time, deadline, interval));
+
+  EXPECT_CALL(render_widget_->mock_webwidget_,
+              beginFrame(AllOf(
+                  Field(&blink::WebBeginFrameArgs::lastFrameTimeMonotonic, 1),
+                  Field(&blink::WebBeginFrameArgs::deadline, 2),
+                  Field(&blink::WebBeginFrameArgs::interval, 3))));
+
+  render_widget_compositor_->BeginMainFrame(args);
+}
+
+}  // namespace content