[Mac] Don't load -pasteAndGo: menu entry which will be bounced.

chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_editor.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/location_bar/autocomplete_text_field_editor.h"
 
 #include "base/string_util.h"
 #include "base/sys_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"  // IDC_*
 #include "chrome/browser/ui/browser_list.h"
@@ skipping 229 matching lines @@
   }
 
   [menu addItemWithTitle:l10n_util::GetNSStringWithFixup(IDS_PASTE)
                   action:@selector(paste:)
            keyEquivalent:@""];
 
   // TODO(shess): If the control is not editable, should we show a
   // greyed-out "Paste and Go"?
   if ([self isEditable]) {
     // Paste and go/search.
-    AutocompleteTextFieldObserver* observer = [self observer];
-    DCHECK(observer);
-    const int string_id = observer->GetPasteActionStringId();
-    NSString* label = l10n_util::GetNSStringWithFixup(string_id);
-    DCHECK([label length]);
-    [menu addItemWithTitle:label
-                    action:@selector(pasteAndGo:)
-             keyEquivalent:@""];
+    if (!ThePasteboardIsTooDamnBig()) {
+      AutocompleteTextFieldObserver* observer = [self observer];
+      DCHECK(observer);
+      const int string_id = observer->GetPasteActionStringId();
+      NSString* label = l10n_util::GetNSStringWithFixup(string_id);
+      DCHECK([label length]);
+      [menu addItemWithTitle:label
+                      action:@selector(pasteAndGo:)
+               keyEquivalent:@""];
+    }
 
     NSString* search_engine_label =
         l10n_util::GetNSStringWithFixup(IDS_EDIT_SEARCH_ENGINES);
     DCHECK([search_engine_label length]);
     [menu addItem:[NSMenuItem separatorItem]];
     NSMenuItem* item = [menu addItemWithTitle:search_engine_label
                                        action:@selector(commandDispatch:)
                                 keyEquivalent:@""];
     [item setTag:IDC_EDIT_SEARCH_ENGINES];
   }
@@ skipping 323 matching lines @@
   clipRect.size.width =
       NSMaxX([suggestTextView_ bounds]) - NSMaxX(nonSuggestRect);
 
   [[NSGraphicsContext currentContext] saveGraphicsState];
   NSRectClip(clipRect);
   [suggestTextView_ drawRect:rect];
   [[NSGraphicsContext currentContext] restoreGraphicsState];
 }
 
 @end