Chromium compositor change implementing page-scale driven pinch-zoom.

content/browser/web_contents/web_contents_impl.cc

Index: content/browser/web_contents/web_contents_impl.cc
===================================================================
--- content/browser/web_contents/web_contents_impl.cc	(revision 159486)
+++ content/browser/web_contents/web_contents_impl.cc	(working copy)
@@ -673,6 +673,10 @@
 
   prefs.number_of_cpu_cores = base::SysInfo::NumberOfProcessors();
 
+  prefs.apply_page_scale_factor_in_compositor =
+      GpuProcessHost::gpu_enabled() &&

[jamesr, 2012/10/03 19:48:57]

this check seems unnecessary

[Jeff Timanus, 2012/10/03 20:56:04]

I followed the model of all of the other preference checks in this file.  All
the compositor related checks also check to see if the gpu is enabled. (For
example accelerated_compositing_enabled.)

+      command_line.HasSwitch(switches::kEnablePinchInCompositor);
+
   content::GetContentClient()->browser()->OverrideWebkitPrefs(rvh, url, &prefs);
 
   return prefs;