Find should allow keyboard scrolling while Find bar has focus

chrome/views/controls/text_field.cc

 // Copyright (c) 2009 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/views/controls/text_field.h"
 
 #include <atlbase.h>
 #include <atlapp.h>
 #include <atlcrack.h>
 #include <atlctrls.h>
@@ skipping 787 matching lines @@
   //     it through.
   if (ch == VK_SPACE)
     SetMsgHandled(false);
 }
 
 void TextField::Edit::HandleKeystroke(UINT message,
                                       TCHAR key,
                                       UINT repeat_count,
                                       UINT flags) {
   ScopedFreeze freeze(this, GetTextObjectModel());
-  OnBeforePossibleChange();
-  DefWindowProc(message, key, MAKELPARAM(repeat_count, flags));
-  OnAfterPossibleChange();
 
   TextField::Controller* controller = parent_->GetController();
-  if (controller)
-    controller->HandleKeystroke(parent_, message, key, repeat_count, flags);
+  bool handled = false;
+  if (controller) {
+    handled =
+        controller->HandleKeystroke(parent_, message, key, repeat_count, flags);
+  }
+
+  if (!handled) {
+    OnBeforePossibleChange();
+    DefWindowProc(message, key, MAKELPARAM(repeat_count, flags));
+    OnAfterPossibleChange();
+  }
 }
 
 void TextField::Edit::OnBeforePossibleChange() {
   // Record our state.
   text_before_change_ = GetText();
 }
 
 void TextField::Edit::OnAfterPossibleChange() {
   // Prevent the user from selecting the "phantom newline" at the end of the
   // edit.  If they try, we just silently move the end of the selection back to
@@ skipping 304 matching lines @@
 
   COLORREF bg_color;
   if (!use_default_background_color_)
     bg_color = skia::SkColorToCOLORREF(background_color_);
   else
     bg_color = GetSysColor(read_only_ ? COLOR_3DFACE : COLOR_WINDOW);
   edit_->SetBackgroundColor(bg_color);
 }
 
 }  // namespace views