Revert of Rename MaximizeMode to TabletMode

ash/wm/window_positioner.cc

Index: ash/wm/window_positioner.cc
diff --git a/ash/wm/window_positioner.cc b/ash/wm/window_positioner.cc
index 38e6ccc03ea9969f19ea6a93d3a7150fbe2bf8ca..22f8c6d3a64c5383f2bc890015967ec939c4f071 100644
--- a/ash/wm/window_positioner.cc
+++ b/ash/wm/window_positioner.cc
@@ -34,7 +34,7 @@
 namespace {
 
 // When a window gets opened in default mode and the screen is less than or
-// equal to this width, the window will get opened in tablet mode. This value
+// equal to this width, the window will get opened in maximized mode. This value
 // can be reduced to a "tame" number if the feature is disabled.
 const int kForceMaximizeWidthLimit = 1366;