Transparent apps support

chrome/browser/extensions/api/app_window/app_window_api.cc

Index: chrome/browser/extensions/api/app_window/app_window_api.cc
diff --git a/chrome/browser/extensions/api/app_window/app_window_api.cc b/chrome/browser/extensions/api/app_window/app_window_api.cc
index 97dcd1c195d11743b658a43e703b42493dce3964..7b36131171c62f88c0749fbee78e81e04fad1ec7 100644
--- a/chrome/browser/extensions/api/app_window/app_window_api.cc
+++ b/chrome/browser/extensions/api/app_window/app_window_api.cc
@@ -94,6 +94,12 @@ bool AppWindowCreateFunction::RunImpl() {
       }
     }
 
+    if (options->transparent_background.get() &&
+        CommandLine::ForCurrentProcess()->HasSwitch(

[Mihai Parparita -not on Chrome, 2012/09/28 19:15:34]

This should check if the extension has the "experimental" permission instead
(the HTML frame option probably should too).

[Bernie, 2012/10/01 18:47:24]

Ok. Could you point me at any existing code to perform this check?

[Mihai Parparita -not on Chrome, 2012/10/01 20:04:58]

Something like:
http://code.google.com/searchframe#OAMlx_jo-ck/src/chrome/browser/extensions/...

[Bernie, 2012/10/10 21:05:01]

Done.

+            switches::kEnableExperimentalExtensionApis)) {
+      create_params.transparent_background = *options->transparent_background;
+    }
+
     gfx::Size& minimum_size = create_params.minimum_size;
     if (options->min_width.get())
       minimum_size.set_width(*options->min_width);