Refactoring the way begin frame sources inside scheduler work.

cc/test/output_test_common.h

+// 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.
+
+#ifndef CC_TEST_OUTPUT_TEST_COMMON_H_
+#define CC_TEST_OUTPUT_TEST_COMMON_H_
+
+#include <iosfwd>
+
+#include "base/basictypes.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/time/time.h"
+#include "cc/output/begin_frame_args.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace cc {
+
+BeginFrameArgs BeginFrameArgsCreate(int64 frame_time,
+                                    int64 deadline,
+                                    int64 interval) {
+  return BeginFrameArgs::Create(base::TimeTicks::FromInternalValue(frame_time),
+                                base::TimeTicks::FromInternalValue(deadline),
+                                base::TimeDelta::FromInternalValue(deadline));
+}
+
+// gtest helpers -- these *must* be in the same namespace as the types they
+// operate on.
+
+// Allow "EXPECT_EQ(args1, args2);"
+// We don't define operator!= because EXPECT_NE(args1, args2) isn't all that
+// sensible.
+bool operator==(BeginFrameArgs lhs, BeginFrameArgs rhs) {
+  return (lhs.frame_time == rhs.frame_time) && (lhs.deadline == rhs.deadline) &&
+         (lhs.interval == rhs.interval);
+}
+
+// Allow gtest to pretty print begin frame args.
+void PrintTo(const BeginFrameArgs& args, ::std::ostream* os) {
+  *os << "BeginFrameArgs(" << args.frame_time.ToInternalValue() << ", "
+      << args.deadline.ToInternalValue() << ", "
+      << args.interval.InMicroseconds() << "us)";
+}
+
+}  // namespace cc
+
+#endif  // CC_TEST_OUTPUT_TEST_COMMON_H_