Use float for scroll offset.

third_party/WebKit/Source/core/input/EventHandlerTest.cpp

 // 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 "core/input/EventHandler.h"
 
 #include "core/dom/Document.h"
 #include "core/dom/Range.h"
 #include "core/editing/Editor.h"
 #include "core/editing/FrameSelection.h"
@@ skipping 55 matching lines @@
       "<div class='lower'>"
       "<span class='line'>Line 1</span><span class='line'>Line 2</span><span "
       "class='line'>Line 3</span><span class='line'>Line 4</span><span "
       "class='line'>Line 5</span>"
       "<span class='line'>Line 6</span><span class='line'>Line 7</span><span "
       "class='line'>Line 8</span><span class='line'>Line 9</span><span "
       "class='line'>Line 10</span>"
       "</div>");
 
   FrameView* frameView = document().view();
-  frameView->setScrollPosition(DoublePoint(0, 400), ProgrammaticScroll);
+  frameView->setScrollOffset(ScrollOffset(0, 400), ProgrammaticScroll);
 
   PlatformMouseEvent mouseDownEvent(
       IntPoint(0, 0), IntPoint(100, 200), WebPointerProperties::Button::Left,
       PlatformEvent::MousePressed, 1, PlatformEvent::Modifiers::LeftButtonDown,
       WTF::monotonicallyIncreasingTime());
   document().frame()->eventHandler().handleMousePressEvent(mouseDownEvent);
 
   PlatformMouseEvent mouseMoveEvent(
       IntPoint(100, 50), IntPoint(200, 250), WebPointerProperties::Button::Left,
       PlatformEvent::MouseMoved, 1, PlatformEvent::Modifiers::LeftButtonDown,
@@ skipping 161 matching lines @@
   PlatformMouseEvent mouseDownEvent(
       IntPoint(0, 0), IntPoint(100, 200), WebPointerProperties::Button::Right,
       PlatformEvent::MousePressed, 1, PlatformEvent::Modifiers::RightButtonDown,
       WTF::monotonicallyIncreasingTime());
   EXPECT_EQ(
       WebInputEventResult::HandledApplication,
       document().frame()->eventHandler().sendContextMenuEvent(mouseDownEvent));
 }
 
 }  // namespace blink