Don't use SetShape() to round the Findbar views widget corners.

chrome/browser/ui/views/find_bar_host.cc

 // Copyright (c) 2012 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/ui/views/find_bar_host.h"
 
 #include <algorithm>
 
 #include "chrome/browser/ui/find_bar/find_bar_controller.h"
 #include "chrome/browser/ui/find_bar/find_tab_helper.h"
@@ skipping 293 matching lines @@
   if (animation_offset() > 0)
     new_pos.Offset(0, std::min(0, -animation_offset()));
 
   return new_pos;
 }
 
 void FindBarHost::SetDialogPosition(const gfx::Rect& new_pos, bool no_redraw) {
   if (new_pos.IsEmpty())
     return;
 
-  // Make sure the window edges are clipped to just the visible region. We need
-  // to do this before changing position, so that when we animate the closure
-  // of it it doesn't look like the window crumbles into the toolbar.
-  UpdateWindowEdges(new_pos);
-
   SetWidgetPositionNative(new_pos, no_redraw);
 
   // Tell the immersive mode controller about the find bar's new bounds. The
   // immersive mode controller uses the bounds to keep the top-of-window views
   // revealed when the mouse is hovered over the find bar.
   browser_view()->immersive_mode_controller()->OnFindBarVisibleBoundsChanged(
       host()->GetWindowBoundsInScreen());
 }
 
 void FindBarHost::GetWidgetBounds(gfx::Rect* bounds) {
@@ skipping 33 matching lines @@
 
 ////////////////////////////////////////////////////////////////////////////////
 // private:
 
 void FindBarHost::GetWidgetPositionNative(gfx::Rect* avoid_overlapping_rect) {
   gfx::Rect frame_rect = host()->GetTopLevelWidget()->GetWindowBoundsInScreen();
   gfx::Rect webcontents_rect =
       find_bar_controller_->web_contents()->GetViewBounds();
   avoid_overlapping_rect->Offset(0, webcontents_rect.y() - frame_rect.y());
 }