Adding experimental maximize mode (behind a flag)

chrome/browser/ui/window_sizer/window_sizer_ash.cc

Index: chrome/browser/ui/window_sizer/window_sizer_ash.cc
diff --git a/chrome/browser/ui/window_sizer/window_sizer_ash.cc b/chrome/browser/ui/window_sizer/window_sizer_ash.cc
index e4ed3740c7622e4c83d164d68f76577b593a5609..983e7693098e824765b4c74f58cc402b8c2fc8f5 100644
--- a/chrome/browser/ui/window_sizer/window_sizer_ash.cc
+++ b/chrome/browser/ui/window_sizer/window_sizer_ash.cc
@@ -159,6 +159,12 @@ bool WindowSizer::GetBoundsOverrideAsh(gfx::Rect* bounds_in_screen,
   }
   bounds_in_screen->SetRect(0, 0, 0, 0);
 
+  // Experiment: Force maximize mode on for all windows (unless explicitly
+  // specified otherwise).
+  if ((*show_state == ui::SHOW_STATE_DEFAULT || browser_) &&
+      ash::Shell::IsForcedMaximizeMode())
+    *show_state = ui::SHOW_STATE_MAXIMIZED;
+
   ui::WindowShowState passed_show_state = *show_state;
   if (!GetSavedWindowBounds(bounds_in_screen, show_state))
     GetDefaultWindowBounds(bounds_in_screen);