Fix for pinch virtual viewport flag wasn't fully enabled.

content/browser/renderer_host/render_process_host_impl.cc

Index: content/browser/renderer_host/render_process_host_impl.cc
diff --git a/content/browser/renderer_host/render_process_host_impl.cc b/content/browser/renderer_host/render_process_host_impl.cc
index 12b37ceeb2edc0e3c3a03fab49f7704ba37b4492..e38c7241508ff7a139b016eff799064d71495d6a 100644
--- a/content/browser/renderer_host/render_process_host_impl.cc
+++ b/content/browser/renderer_host/render_process_host_impl.cc
@@ -940,6 +940,9 @@ StoragePartition* RenderProcessHostImpl::GetStoragePartition() const {
 }
 
 static void AppendGpuCommandLineFlags(CommandLine* command_line) {
+  if (IsPinchVirtualViewportEnabled())

[bokan, 2014/04/25 22:07:25]

Not sure if this qualifies as a GPU command line (it's a compositor feature), is
this ok here or should I move it directly into AppendRendererCommandLine?

[piman, 2014/04/25 22:44:40]

Maybe we can rename as AppendCompositorCommandLineFlags?

[bokan, 2014/04/25 23:03:46]

Done.

+    command_line->AppendSwitch(cc::switches::kEnablePinchVirtualViewport);
+
   if (IsThreadedCompositingEnabled())
     command_line->AppendSwitch(switches::kEnableThreadedCompositing);
 
@@ -1135,7 +1138,6 @@ void RenderProcessHostImpl::PropagateBrowserCommandLineToRenderer(
     cc::switches::kDisableMainFrameBeforeDraw,
     cc::switches::kDisableThreadedAnimation,
     cc::switches::kEnableGpuBenchmarking,
-    cc::switches::kEnablePinchVirtualViewport,
     cc::switches::kEnableMainFrameBeforeActivation,
     cc::switches::kEnableTopControlsPositionCalculation,
     cc::switches::kMaxTilesForInterestArea,