Aura: Add --aura-laptop-mode to fill the workspace with a single window.

chrome/browser/ui/views/frame/browser_frame.cc

Index: chrome/browser/ui/views/frame/browser_frame.cc
diff --git a/chrome/browser/ui/views/frame/browser_frame.cc b/chrome/browser/ui/views/frame/browser_frame.cc
index b3fc5e50c8c180daec3e3e246ea568b374970403..96029b9c0af00b97665e44ea10e807ac9034e6c8 100644
--- a/chrome/browser/ui/views/frame/browser_frame.cc
+++ b/chrome/browser/ui/views/frame/browser_frame.cc
@@ -4,6 +4,7 @@
 
 #include "chrome/browser/ui/views/frame/browser_frame.h"
 
+#include "base/command_line.h"
 #include "chrome/browser/themes/theme_service.h"
 #include "chrome/browser/themes/theme_service_factory.h"
 #include "chrome/browser/ui/browser.h"
@@ -22,6 +23,10 @@
 #include "chrome/browser/chromeos/system/runtime_environment.h"
 #endif
 
+#if defined(USE_AURA)
+#include "ui/aura/aura_switches.h"
+#endif
+
 ////////////////////////////////////////////////////////////////////////////////
 // BrowserFrame, public:
 
@@ -59,6 +64,7 @@ void BrowserFrame::InitBrowserFrame() {
     params.keep_on_top = true;
   }
   Init(params);
+  // TODO(jamescook): Do this for Aura laptop mode?
 #if defined(OS_CHROMEOS) && !defined(USE_AURA)
   // On ChromeOS we always want top-level windows to appear active.
   if (!browser_view_->IsBrowserTypePopup())
@@ -96,15 +102,22 @@ void BrowserFrame::TabStripDisplayModeChanged() {
 }
 
 ///////////////////////////////////////////////////////////////////////////////
-// BrowserFrameWin, views::Window overrides:
+// BrowserFrame, views::Widget overrides:
 
 bool BrowserFrame::IsMaximized() const {
-#if defined(OS_CHROMEOS) && !defined(USE_AURA)
-  if (chromeos::system::runtime_environment::IsRunningOnChromeOS()) {
+  // ChromeOS and Aura laptop mode use a single window filling the work area.
+  bool single_window_mode = false;
+#if defined(USE_AURA)
+  single_window_mode =
+      CommandLine::ForCurrentProcess()->HasSwitch(switches::kAuraLaptopMode);
+#elif defined(OS_CHROMEOS)
+  single_window_mode =
+      chromeos::system::runtime_environment::IsRunningOnChromeOS();
+#endif
+  if (single_window_mode) {
     return !IsFullscreen() &&
         (!browser_view_->IsBrowserTypePopup() || Widget::IsMaximized());
   }
-#endif
   return Widget::IsMaximized();
 }