Add Applescript commands to enter presentation mode

chrome/browser/ui/cocoa/applescript/window_applescript.mm

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "chrome/browser/ui/cocoa/applescript/window_applescript.h"
 
 #include "base/logging.h"
 #import "base/memory/scoped_nsobject.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/time.h"
@@ skipping 226 matching lines @@
 - (void)setValue:(id)value forUndefinedKey:(NSString*)key {
   [[self nativeHandle] setValue:(id)value forKey:key];
 }
 
 - (void)handlesCloseScriptCommand:(NSCloseCommand*)command {
   // window() can be NULL during startup.
   if (browser_->window())
     browser_->window()->Close();
 }
 
+- (NSNumber*)presenting {
+  BOOL presentingValue = NO;
+  if (browser_->window())
+    presentingValue = browser_->window()->InPresentationMode();
+  return [NSNumber numberWithBool:presentingValue];
+}
+
+- (void)handlesEnterPresentationMode:(NSScriptCommand*)command {
+  if (browser_->window()) {
+    browser_->window()->EnterPresentationMode(
+        GURL(), FEB_TYPE_FULLSCREEN_EXIT_INSTRUCTION);
+  }
+}
+
+- (void)handlesExitPresentationMode:(NSScriptCommand*)command {
+  if (browser_->window())
+    browser_->window()->ExitPresentationMode();
+}
+
 @end