Remove the % WHEEL_DELTA check in WebMouseWheelEventBuilder.

content/browser/renderer_host/input/web_input_event_unittest.cc

 // Copyright 2015 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 "base/command_line.h"
 #include "build/build_config.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/WebKit/public/web/WebInputEvent.h"
 #include "ui/events/event_constants.h"
 #include "ui/gfx/display.h"
@@ skipping 36 matching lines @@
   EXPECT_EQ(300, mouse_move.windowX);
   EXPECT_EQ(200, mouse_move.windowY);
 
   // WebMouseEvent.globalX and WebMouseEvent.globalY are calculated in DIPs.
   EXPECT_EQ(150, mouse_move.globalX);
   EXPECT_EQ(100, mouse_move.globalY);
 
   command_line->AppendSwitchASCII(switches::kForceDeviceScaleFactor, "1");
   gfx::Display::ResetForceDeviceScaleFactorForTesting();
 }
-
-// Test that hasPreciseScrollingDeltas is true for wheel events that generate
-// high precision scroll deltas.
-TEST(WebInputEventBuilderTest, TestPreciseScrollingDelta) {
-  LPARAM lparam = MAKELPARAM(300, 200);
-
-  // wheel_delta is equal to WHEEL_DELTA, scroll up
-  WebMouseWheelEvent evt =
-      WebMouseWheelEventBuilder::Build(::GetDesktopWindow(), WM_MOUSEWHEEL,
-                                       MAKEWPARAM(0, 120), lparam, 100);
-  EXPECT_EQ(1, evt.wheelTicksY);
-  EXPECT_EQ(100, evt.deltaY);
-  EXPECT_FALSE(evt.hasPreciseScrollingDeltas);
-
-  // wheel_delta is a multiple of WHEEL_DELTA, scroll up
-  evt = WebMouseWheelEventBuilder::Build(::GetDesktopWindow(), WM_MOUSEWHEEL,
-                                         MAKEWPARAM(0, 360), lparam, 100);
-  EXPECT_EQ(3, evt.wheelTicksY);
-  EXPECT_EQ(300, evt.deltaY);
-  EXPECT_FALSE(evt.hasPreciseScrollingDeltas);
-
-  // wheel_delta is a multiple of WHEEL_DELTA, scroll down
-  evt = WebMouseWheelEventBuilder::Build(::GetDesktopWindow(), WM_MOUSEWHEEL,
-                                         MAKEWPARAM(0, -360), lparam, 100);
-  EXPECT_EQ(-3, evt.wheelTicksY);
-  EXPECT_EQ(-300, evt.deltaY);
-  EXPECT_FALSE(evt.hasPreciseScrollingDeltas);
-
-  // high precision scroll, wheel_delta not a multiple of WHEEL_DELTA
-  evt = WebMouseWheelEventBuilder::Build(::GetDesktopWindow(), WM_MOUSEWHEEL,
-                                         MAKEWPARAM(0, 3), lparam, 100);
-  EXPECT_FLOAT_EQ(0.025f, evt.wheelTicksY);
-  EXPECT_FLOAT_EQ(2.5f, evt.deltaY);
-  EXPECT_TRUE(evt.hasPreciseScrollingDeltas);
-}
 #endif
 
 }  // namespace content