Grab bag of bugfixes for Lion fullscreen mode.

chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_editor.mm

Index: chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_editor.mm
diff --git a/chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_editor.mm b/chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_editor.mm
index 30d2f598da30cabc50ebed3f3f82695b6a4122c6..817cabcd185d68c59f28e106ffd1d988f13ae828 100644
--- a/chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_editor.mm
+++ b/chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_editor.mm
@@ -398,12 +398,14 @@ BOOL ThePasteboardIsTooDamnBig() {
   }
 
   // If the escape key was pressed and no revert happened and we're in
-  // fullscreen mode, make it resign key.
+  // fullscreen mode, give focus to the web contents, which may dismiss the
+  // overlay.
   if (cmd == @selector(cancelOperation:)) {
     BrowserWindowController* windowController =
         [BrowserWindowController browserWindowControllerForView:self];
-    if ([windowController inPresentationMode]) {
+    if ([windowController isFullscreen]) {
       [windowController focusTabContents];
+      textChangedByKeyEvents_ = NO;
       return;
     }
   }