bluetooth: Add a WebBluetooth command line flag.

content/shell/app/shell_main_delegate.cc

Index: content/shell/app/shell_main_delegate.cc
diff --git a/content/shell/app/shell_main_delegate.cc b/content/shell/app/shell_main_delegate.cc
index e5199f1707ef87d2dd6e405321d694e913291d06..9471c91dd97f5a61e982eb65fcbfef6966130797 100644
--- a/content/shell/app/shell_main_delegate.cc
+++ b/content/shell/app/shell_main_delegate.cc
@@ -171,6 +171,8 @@ bool ShellMainDelegate::BasicStartupComplete(int* exit_code) {
     if (!command_line.HasSwitch(switches::kStableReleaseMode)) {
       command_line.AppendSwitch(
         switches::kEnableExperimentalWebPlatformFeatures);
+      // Only enable WebBluetooth during Layout Tests in non release mode.
+      command_line.AppendSwitch(switches::kEnableWebBluetooth);

[jochen (gone - plz use gerrit), 2015/05/15 06:11:33]

layout test related flags should go into the layout_test subdir. however, since
this is an experimental web platform feature, it's enabled for layout tests
anyways

[ortuno, 2015/05/15 16:31:14]

The purpose of this set of patches is to extract the WebBluetooth feature from
Experimental Web Platform Features so we need to enable the flag manually. Which
layout_test subdir?

     }
 
     if (!command_line.HasSwitch(switches::kEnableThreadedCompositing)) {