Add Applescript commands to enter presentation mode

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

Index: chrome/browser/ui/cocoa/applescript/window_applescript.mm
diff --git a/chrome/browser/ui/cocoa/applescript/window_applescript.mm b/chrome/browser/ui/cocoa/applescript/window_applescript.mm
index 1333d57fafd4c835538cd0c4c2dcc2d1bd0864a2..52a1e9b0f74b19cb6a3989cec73915b5e5e85a06 100644
--- a/chrome/browser/ui/cocoa/applescript/window_applescript.mm
+++ b/chrome/browser/ui/cocoa/applescript/window_applescript.mm
@@ -244,4 +244,21 @@
     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()->SetPresentationMode(true);
+}
+
+- (void)handlesExitPresentationMode:(NSScriptCommand*)command {
+  if (browser_->window())
+    browser_->window()->SetPresentationMode(false);
+}
+
 @end