Updated render_view_impl to use setPageScaleFactor instead of scalePage.

content/renderer/render_view_impl.cc

Index: content/renderer/render_view_impl.cc
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index e31f376f25eb0a06e309b7af5d06b40cff6b6573..b5c40d864e5d8b06d02d5d2d0182b96be4383abe 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -3593,8 +3593,8 @@ void RenderViewImpl::ZoomFactorHelper(content::PageZoom zoom,
         (zoom > 0 ? scaling_increment : -scaling_increment);
   }
   if (page_scale_factor > 0) {
-    webview()->scalePage(page_scale_factor,
-                         WebPoint(zoom_center_x, zoom_center_y));
+    webview()->setPageScaleFactor(page_scale_factor,
+                                  WebPoint(zoom_center_x, zoom_center_y));
   }
 }