Fix for plugin printing regression.

Source/core/page/PrintContext.cpp

Index: Source/core/page/PrintContext.cpp
diff --git a/Source/core/page/PrintContext.cpp b/Source/core/page/PrintContext.cpp
index bd923317a0d90db7335f338a56109ad53b1030a5..af46d6af8d71e1312ce0141afae6c2da7fd3838b 100644
--- a/Source/core/page/PrintContext.cpp
+++ b/Source/core/page/PrintContext.cpp
@@ -54,7 +54,7 @@ PrintContext::~PrintContext()
         end();
 }
 
-void PrintContext::computePageRects(const FloatRect& printRect, float headerHeight, float footerHeight, float userScaleFactor, float& outPageHeight, bool allowHorizontalTiling)
+void PrintContext::computePageRects(const FloatRect& printRect, float headerHeight, float footerHeight, float userScaleFactor, float& outPageHeight)
 {
     m_pageRects.clear();
     outPageHeight = 0;
@@ -81,7 +81,7 @@ void PrintContext::computePageRects(const FloatRect& printRect, float headerHeig
         return;
     }
 
-    computePageRectsWithPageSizeInternal(FloatSize(pageWidth / userScaleFactor, pageHeight / userScaleFactor), allowHorizontalTiling);
+    computePageRectsWithPageSizeInternal(FloatSize(pageWidth / userScaleFactor, pageHeight / userScaleFactor), false);
 }
 
 void PrintContext::computePageRectsWithPageSize(const FloatSize& pageSizeInPixels, bool allowHorizontalTiling)