Make the FloatSize constructor from an IntSize explicit.

third_party/WebKit/Source/web/RotationViewportAnchor.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 "config.h"
 #include "web/RotationViewportAnchor.h"
 
 #include "core/dom/ContainerNode.h"
 #include "core/dom/Node.h"
 #include "core/frame/FrameView.h"
@@ skipping 110 matching lines @@
     // Preserve origins at the absolute screen origin
     if (innerViewRect.location() == IntPoint::zero())
         return;
 
     // Inner rectangle should be within the outer one.
     ASSERT(outerViewRect.contains(innerViewRect));
 
     // Outer rectangle is used as a scale, we need positive width and height.
     ASSERT(!outerViewRect.isEmpty());
 
-    m_normalizedVisualViewportOffset = innerViewRect.location() - outerViewRect.location();
+    m_normalizedVisualViewportOffset = FloatSize(innerViewRect.location() - outerViewRect.location());
 
     // Normalize by the size of the outer rect
     m_normalizedVisualViewportOffset.scale(1.0 / outerViewRect.width(), 1.0 / outerViewRect.height());
 
-    FloatSize anchorOffset = innerViewRect.size();
+    FloatSize anchorOffset(innerViewRect.size());
     anchorOffset.scale(m_anchorInInnerViewCoords.width(), m_anchorInInnerViewCoords.height());
     const FloatPoint anchorPoint = FloatPoint(innerViewRect.location()) + anchorOffset;
 
     Node* node = findNonEmptyAnchorNode(flooredIntPoint(anchorPoint), innerViewRect, m_rootFrameView->frame().eventHandler());
     if (!node)
         return;
 
     m_anchorNode = node;
     m_anchorNodeBounds = node->boundingBox();
     m_anchorInNodeCoords = anchorPoint - FloatPoint(m_anchorNodeBounds.location());
     m_anchorInNodeCoords.scale(1.f / m_anchorNodeBounds.width(), 1.f / m_anchorNodeBounds.height());
 }
 
 void RotationViewportAnchor::restoreToAnchor()
 {
     float newPageScaleFactor = m_oldPageScaleFactor / m_oldMinimumPageScaleFactor * m_pageScaleConstraintsSet.finalConstraints().minimumScale;
     newPageScaleFactor = m_pageScaleConstraintsSet.finalConstraints().clampToConstraints(newPageScaleFactor);
 
-    FloatSize visualViewportSize = m_visualViewport->size();
+    FloatSize visualViewportSize(m_visualViewport->size());
     visualViewportSize.scale(1 / newPageScaleFactor);
 
     IntPoint mainFrameOrigin;
     FloatPoint visualViewportOrigin;
 
     computeOrigins(visualViewportSize, mainFrameOrigin, visualViewportOrigin);
 
     m_rootFrameView->layoutViewportScrollableArea()->setScrollPosition(mainFrameOrigin, ProgrammaticScroll);
 
     // Set scale before location, since location can be clamped on setting scale.
@@ skipping 39 matching lines @@
     anchorOffsetFromNode.scale(m_anchorInNodeCoords.width(), m_anchorInNodeCoords.height());
     FloatPoint anchorPoint = FloatPoint(currentNodeBounds.location()) + anchorOffsetFromNode;
 
     // Compute the new origin point relative to the new anchor point
     FloatSize anchorOffsetFromOrigin = innerSize;
     anchorOffsetFromOrigin.scale(m_anchorInInnerViewCoords.width(), m_anchorInInnerViewCoords.height());
     return anchorPoint - anchorOffsetFromOrigin;
 }
 
 } // namespace blink