Expand UMA coverage for compositor-handled events and fling FPS

content/child/web_gesture_curve_impl_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/child/web_gesture_curve_impl.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/WebKit/public/platform/WebFloatSize.h"
 #include "third_party/WebKit/public/platform/WebGestureCurve.h"
@@ skipping 24 matching lines @@
   WebFloatSize cumulative_delta_;
   WebFloatSize current_velocity_;
 };
 
 }  // namespace anonymous
 
 TEST(WebGestureCurveImplTest, Basic) {
   gfx::Vector2dF velocity(5000, 0);
   gfx::Vector2dF offset;
   base::TimeTicks time;
-  auto curve = WebGestureCurveImpl::CreateFrom(
+  auto curve = WebGestureCurveImpl::CreateFromUICurveForTesting(
       scoped_ptr<ui::GestureCurve>(new ui::FlingCurve(velocity, time)), offset);
 
   // coded into the create call above.
   MockGestureCurveTarget target;
   EXPECT_TRUE(curve->apply(0, &target));
   EXPECT_TRUE(curve->apply(0.25, &target));
   EXPECT_NEAR(target.current_velocity().width, 1878, 1);
   EXPECT_EQ(target.current_velocity().height, 0);
   EXPECT_GT(target.cumulative_delta().width, 0);
   EXPECT_TRUE(curve->apply(0.45, &target));  // Use non-uniform tick spacing.
 
   // Ensure fling persists even if successive timestamps are identical.
   gfx::Vector2dF cumulative_delta = target.cumulative_delta();
   gfx::Vector2dF current_velocity = target.current_velocity();
   EXPECT_TRUE(curve->apply(0.45, &target));
   EXPECT_EQ(cumulative_delta, gfx::Vector2dF(target.cumulative_delta()));
   EXPECT_EQ(current_velocity, gfx::Vector2dF(target.current_velocity()));
 
   EXPECT_TRUE(curve->apply(0.75, &target));
   EXPECT_FALSE(curve->apply(1.5, &target));
   EXPECT_NEAR(target.cumulative_delta().width, 1193, 1);
   EXPECT_EQ(target.cumulative_delta().height, 0);
   EXPECT_EQ(target.current_velocity().width, 0);
   EXPECT_EQ(target.current_velocity().height, 0);
 }
 
 }  // namespace content