Default zoom was never read from chrome://settings

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 623cb14b38daf82935e19ba89717cf0ca615aa36..8b7bd70618a448cbd0343a21502ebc727b411999 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -3759,11 +3759,11 @@ blink::WebSpeechRecognizer* RenderViewImpl::speechRecognizer() {
 
 void RenderViewImpl::zoomLimitsChanged(double minimum_level,
                                        double maximum_level) {
+  // Round the double before dispatching the async IPC.

[sky, 2015/01/15 00:45:49]

You're documenting what the code is doing. Document why the rounding is
important.

   int minimum_percent = static_cast<int>(
-      ZoomLevelToZoomFactor(minimum_level) * 100);
+      ZoomLevelToZoomFactor(minimum_level) * 100 + 0.5);
   int maximum_percent = static_cast<int>(
-      ZoomLevelToZoomFactor(maximum_level) * 100);
-
+      ZoomLevelToZoomFactor(maximum_level) * 100 + 0.5);
   Send(new ViewHostMsg_UpdateZoomLimits(
       routing_id_, minimum_percent, maximum_percent));
 }