ui: Add non-member Vector2dScale() and Vector3dScale() methods to create scaled vectors

cc/page_scale_animation.cc

 // Copyright 2012 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 "cc/page_scale_animation.h"
 
 #include "cc/geometry.h"
 #include "ui/gfx/rect_f.h"
@@ skipping 57 matching lines @@
         m_scrollEnd = finalScroll;
         m_pageScaleEnd = finalPageScale;
         m_duration = duration;
         m_anchorMode = false;
     }
 }
 
 void PageScaleAnimation::zoomWithAnchor(gfx::Vector2d anchor, float finalPageScale, double duration)
 {
     m_scrollEnd = m_scrollStart + anchor;
-    m_scrollEnd = gfx::ToFlooredVector2d(cc::ScaleVector2d(m_scrollEnd, finalPageScale / m_pageScaleStart));
+    m_scrollEnd = gfx::ToFlooredVector2d(gfx::ScaleVector2d(m_scrollEnd, finalPageScale / m_pageScaleStart));
     m_scrollEnd -= anchor;
 
     m_scrollEnd = ClampFromBelow(m_scrollEnd, gfx::Vector2d());
     gfx::SizeF scaledContentSize = gfx::ScaleSize(m_contentSize, finalPageScale / m_pageScaleStart);
     gfx::Vector2d maxScrollOffset = gfx::ToRoundedVector2d(BottomRight(gfx::RectF(scaledContentSize)) - BottomRight(gfx::Rect(m_windowSize)));
     m_scrollEnd = m_scrollEnd;
     m_scrollEnd = ClampFromAbove(m_scrollEnd, maxScrollOffset);
 
     m_anchor = anchor;
     m_pageScaleEnd = finalPageScale;
@@ skipping 66 matching lines @@
     // example, if we zoom from 0.5 to 4.0 in 3 seconds, then we should
     // be zooming by 2x every second.
     float diff = m_pageScaleEnd / m_pageScaleStart;
     float logDiff = log(diff);
     logDiff *= ratio;
     diff = exp(logDiff);
     return m_pageScaleStart * diff;
 }
 
 }  // namespace cc