[mac] Let cmd-e write the selection into the find pasteboard.

chrome/browser/tab_contents/tab_contents_view_mac.mm

 // Copyright (c) 2006-2008 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.
 
 #include "chrome/browser/tab_contents/tab_contents_view_mac.h"
 
 #include <string>
 
 #include "chrome/browser/browser.h" // TODO(beng): this dependency is awful.
 #include "chrome/browser/cocoa/sad_tab_view.h"
@@ skipping 318 matching lines @@
 // WebCore.
 
 - (void)cut:(id)sender {
   [self tabContents]->Cut();
 }
 
 - (void)copy:(id)sender {
   [self tabContents]->Copy();
 }
 
+- (void)copyToFindPboard:(id)sender {
+  [self tabContents]->CopyToFindPboard();
+}
+
 - (void)paste:(id)sender {
   [self tabContents]->Paste();
 }
 
 - (void)pasteboard:(NSPasteboard*)sender provideDataForType:(NSString*)type {
   [dragSource_ lazyWriteToPasteboard:sender
                              forType:type];
 }
 
 - (void)startDragWithDropData:(const WebDropData&)dropData
@@ skipping 56 matching lines @@
 }
 
 - (BOOL)performDragOperation:(id<NSDraggingInfo>)sender {
   return [dropTarget_ performDragOperation:sender view:self];
 }
 
 // Tons of stuff goes here, where we grab events going on in Cocoaland and send
 // them into the C++ system. TODO(avi): all that jazz
 
 @end