[Mac] Remove the presentation mode button and its associated action from the tabstrip.

chrome/browser/ui/cocoa/browser_window_controller_private.h

Index: chrome/browser/ui/cocoa/browser_window_controller_private.h
diff --git a/chrome/browser/ui/cocoa/browser_window_controller_private.h b/chrome/browser/ui/cocoa/browser_window_controller_private.h
index 0cb3e3fd75bd5dc4d269b4717297ad87bd0e55df..48218a2b0b4688bf2ae15b9dca6fa5e747655e10 100644
--- a/chrome/browser/ui/cocoa/browser_window_controller_private.h
+++ b/chrome/browser/ui/cocoa/browser_window_controller_private.h
@@ -21,10 +21,6 @@
 // tabs are enabled. Replaces the current controller.
 - (void)createTabStripController;
 
-// Creates the button used to toggle presentation mode.  Must only be called on
-// Lion or later.  Does nothing if the button already exists.
-- (void)createAndInstallPresentationModeToggleButton;
-
 // Saves the window's position in the local state preferences.
 - (void)saveWindowPositionIfNeeded;
 
@@ -47,12 +43,6 @@
 - (void)showFullscreenExitBubbleIfNecessary;
 - (void)destroyFullscreenExitBubbleIfNecessary;
 
-// Lays out the presentation mode toggle button at the top right corner of the
-// overlay.  Creates the button if needed, and removes it if it is not needed.
-// This method is safe to call on all OS versions.
-- (void)layoutPresentationModeToggleAtOverlayMaxX:(CGFloat)maxX
-                                      overlayMaxY:(CGFloat)maxY;
-
 // Lays out the tab strip at the given maximum y-coordinate, with the given
 // width, possibly for fullscreen mode; returns the new maximum y (below the
 // tab strip). This is safe to call even when there is no tab strip.