Ignore viewport meta tags when Request Desktop Site is enabled.

content/browser/android/content_startup_flags.cc

Index: content/browser/android/content_startup_flags.cc
diff --git a/content/browser/android/content_startup_flags.cc b/content/browser/android/content_startup_flags.cc
index 0606bc21eec7e92087f5f113bddb4c91ed3c2bbd..0e8c82de7a929760cb6ccb720e3ec3a5acda6d9c 100644
--- a/content/browser/android/content_startup_flags.cc
+++ b/content/browser/android/content_startup_flags.cc
@@ -40,6 +40,7 @@ void SetContentCommandLineFlags(bool single_process,
   parsed_command_line->AppendSwitch(cc::switches::kEnableBeginFrameScheduling);
 
   parsed_command_line->AppendSwitch(switches::kEnablePinch);
+  parsed_command_line->AppendSwitch(switches::kEnableViewport);

[bokan, 2016/03/11 20:34:36]

Why is this needed now?

[aelias_OOO_until_Jul13, 2016/03/14 20:14:30]

It's because I removed the setting of viewport_enabled from
viewport_meta_enabled in render_view_host_impl.cc; some other way is then needed
to set viewport_enabled on Android.

   parsed_command_line->AppendSwitch(switches::kEnableOverlayScrollbar);
   parsed_command_line->AppendSwitch(switches::kValidateInputEventStream);