Putting the findbar into a child window.

chrome/browser/cocoa/browser_window_controller.mm

 // Copyright (c) 2010 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/cocoa/browser_window_controller.h"
 
 #include <Carbon/Carbon.h>
 
 #include "app/l10n_util_mac.h"
 #include "base/mac_util.h"
@@ skipping 1233 matching lines @@
   return downloadShelfController_;
 }
 
 - (void)addFindBar:(FindBarCocoaController*)findBarCocoaController {
   // Shouldn't call addFindBar twice.
   DCHECK(!findBarCocoaController_.get());
 
   // Create a controller for the findbar.
   findBarCocoaController_.reset([findBarCocoaController retain]);
   NSView *contentView = [[self window] contentView];
-  [contentView addSubview:[findBarCocoaController_ view]
-               positioned:NSWindowAbove
-               relativeTo:[toolbarController_ view]];
+//   [contentView addSubview:[findBarCocoaController_ view]
+//                positioned:NSWindowAbove
+//                relativeTo:[toolbarController_ view]];
+  // Trigger a nib load.
+  //[findBarCocoaController_ view];
+  [[self window] addChildWindow:[findBarCocoaController_ window]
+                 ordered:NSWindowAbove];
+  LOG(ERROR) << "Adding child window";
 
   // Place the find bar immediately below the toolbar/attached bookmark bar. In
   // fullscreen mode, it hangs off the top of the screen when the bar is hidden.
   CGFloat maxY = [self placeBookmarkBarBelowInfoBar] ?
       NSMinY([[toolbarController_ view] frame]) :
       NSMinY([[bookmarkBarController_ view] frame]);
   CGFloat maxWidth = NSWidth([contentView frame]);
   [findBarCocoaController_ positionFindBarViewAtMaxY:maxY maxWidth:maxWidth];
 }
 
@@ skipping 257 matching lines @@
 }
 
 // Delegate method called when window is resized.
 - (void)windowDidResize:(NSNotification*)notification {
   // Resize (and possibly move) the status bubble. Note that we may get called
   // when the status bubble does not exist.
   if (statusBubble_) {
     statusBubble_->UpdateSizeAndPosition();
   }
 
+  CGFloat maxY = [self placeBookmarkBarBelowInfoBar] ?
+      NSMinY([[toolbarController_ view] frame]) :
+      NSMinY([[bookmarkBarController_ view] frame]);
+  CGFloat maxWidth = NSWidth([[[self window] contentView] frame]);
+  [findBarCocoaController_ positionFindBarViewAtMaxY:maxY maxWidth:maxWidth];
+
+
   // Let the selected RenderWidgetHostView know, so that it can tell plugins.
   if (TabContents* contents = browser_->GetSelectedTabContents()) {
     if (RenderWidgetHostView* rwhv = contents->GetRenderWidgetHostView())
       rwhv->WindowFrameChanged();
   }
 }
 
 // Handle the openLearnMoreAboutCrashLink: action from SadTabController when
 // "Learn more" link in "Aw snap" page (i.e. crash page or sad tab) is
 // clicked. Decoupling the action from its target makes unitestting possible.
@@ skipping 328 matching lines @@
 
 - (BOOL)supportsBookmarkBar {
   return [self supportsWindowFeature:Browser::FEATURE_BOOKMARKBAR];
 }
 
 - (BOOL)isNormalWindow {
   return browser_->type() == Browser::TYPE_NORMAL;
 }
 
 @end  // @implementation BrowserWindowController(WindowType)