Fix several painting glitches for toolstrips.

webkit/glue/webview_impl.cc

 /*
 * Copyright 2007 Google Inc. All Rights Reserved.
 *
 * Portions Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
 *
 * ***** BEGIN LICENSE BLOCK *****
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
@@ skipping 1809 matching lines @@
 
 WebDevToolsAgent* WebViewImpl::GetWebDevToolsAgent() {
   return GetWebDevToolsAgentImpl();
 }
 
 WebDevToolsAgentImpl* WebViewImpl::GetWebDevToolsAgentImpl() {
   return devtools_agent_.get();
 }
 
 void WebViewImpl::SetIsTransparent(bool is_transparent) {
+  // Set any existing frames to be transparent.
+  WebCore::Frame* frame = page_->mainFrame();
+  while (frame) {
+    frame->view()->setTransparent(is_transparent);
+    frame = frame->tree()->traverseNext();
+  }
+
+  // Future frames check this to know whether to be transparent.
   is_transparent_ = is_transparent;
 }
 
 bool WebViewImpl::GetIsTransparent() const {
   return is_transparent_;
 }
 
 void WebViewImpl::DidCommitLoad(bool* is_new_navigation) {
   if (is_new_navigation)
     *is_new_navigation = observed_new_navigation_;
@@ skipping 101 matching lines @@
 
   return document->focusedNode();
 }
 
 HitTestResult WebViewImpl::HitTestResultForWindowPos(const IntPoint& pos) {
   IntPoint doc_point(
       page_->mainFrame()->view()->windowToContents(pos));
   return page_->mainFrame()->eventHandler()->
       hitTestResultAtPoint(doc_point, false);
 }