Adding experimental maximize mode (behind a flag)

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 1f726db950869721bfeacc309dadf83f108de687..4aa219e7058752737d930c0925eaab439324c862 100644
--- a/chrome/browser/extensions/api/app_window/app_window_api.cc
+++ b/chrome/browser/extensions/api/app_window/app_window_api.cc
@@ -24,6 +24,10 @@
 #include "googleurl/src/gurl.h"
 #include "ui/gfx/rect.h"
 
+#if defined(USE_ASH)
+#include "ash/shell.h"
+#endif
+
 namespace app_window = extensions::api::app_window;
 namespace Create = app_window::Create;
 
@@ -101,6 +105,11 @@ bool AppWindowCreateFunction::RunImpl() {
   // with a hack in AppWindowCustomBindings::GetView().
   ShellWindow::CreateParams create_params;
   app_window::CreateWindowOptions* options = params->options.get();
+#if defined(USE_ASH)
+  bool force_maximize = ash::Shell::IsForcedMaximizeMode();
+#else
+  bool force_maximize = false;
+#endif
   if (options) {
     if (options->id.get()) {
       // TODO(mek): use URL if no id specified?
@@ -227,9 +236,14 @@ bool AppWindowCreateFunction::RunImpl() {
           create_params.state = ShellWindow::CreateParams::STATE_MINIMIZED;
           break;
       }
+    } else {
+      force_maximize = false;
     }
   }
 
+  if (force_maximize)
+    create_params.state = ShellWindow::CreateParams::STATE_MAXIMIZED;
+
   create_params.creator_process_id =
       render_view_host_->GetProcess()->GetID();