Make the FloatSize constructor from an IntSize explicit.

third_party/WebKit/Source/web/tests/VisualViewportTest.cpp

 // 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 "config.h"
 
 #include "core/frame/VisualViewport.h"
 
 #include "core/dom/Document.h"
 #include "core/frame/FrameHost.h"
@@ skipping 441 matching lines @@
     // Initial visible rect should be the whole frame.
     EXPECT_SIZE_EQ(IntSize(webViewImpl()->size()), visualViewport.size());
 
     // Viewport is whole frame.
     IntSize size = IntSize(400, 200);
     webViewImpl()->resize(size);
     webViewImpl()->updateAllLifecyclePhases();
     visualViewport.setSize(size);
 
     // Scale the viewport to 2X; size should not change.
-    FloatRect expectedRect(FloatPoint(0, 0), size);
+    FloatRect expectedRect(FloatPoint(0, 0), FloatSize(size));
     expectedRect.scale(0.5);
     visualViewport.setScale(2);
     EXPECT_EQ(2, visualViewport.scale());
     EXPECT_SIZE_EQ(size, visualViewport.size());
     EXPECT_FLOAT_RECT_EQ(expectedRect, visualViewport.visibleRect());
 
     // Move the viewport.
     expectedRect.setLocation(FloatPoint(5, 7));
     visualViewport.setLocation(expectedRect.location());
     EXPECT_FLOAT_RECT_EQ(expectedRect, visualViewport.visibleRect());
 
     expectedRect.setLocation(FloatPoint(200, 100));
     visualViewport.setLocation(expectedRect.location());
     EXPECT_FLOAT_RECT_EQ(expectedRect, visualViewport.visibleRect());
 
     // Scale the viewport to 3X to introduce some non-int values.
     FloatPoint oldLocation = expectedRect.location();
-    expectedRect = FloatRect(FloatPoint(), size);
+    expectedRect = FloatRect(FloatPoint(), FloatSize(size));
     expectedRect.scale(1 / 3.0f);
     expectedRect.setLocation(oldLocation);
     visualViewport.setScale(3);
     EXPECT_FLOAT_RECT_EQ(expectedRect, visualViewport.visibleRect());
 
     expectedRect.setLocation(FloatPoint(0.25f, 0.333f));
     visualViewport.setLocation(expectedRect.location());
     EXPECT_FLOAT_RECT_EQ(expectedRect, visualViewport.visibleRect());
 }
 
@@ skipping 1117 matching lines @@
     webViewImpl()->handleInputEvent(pinchUpdate);
 
     VisualViewport& visualViewport = webViewImpl()->page()->frameHost().visualViewport();
     FrameView& frameView = *webViewImpl()->mainFrameImpl()->frameView();
 
     EXPECT_FLOAT_POINT_EQ(FloatPoint(50, 50), visualViewport.location());
     EXPECT_FLOAT_POINT_EQ(FloatPoint(0, 0), frameView.scrollPositionDouble());
 }
 
 } // namespace