Fix several painting glitches for toolstrips.

webkit/glue/webview_impl.cc

Index: webkit/glue/webview_impl.cc
diff --git a/webkit/glue/webview_impl.cc b/webkit/glue/webview_impl.cc
index 0155b8b355f458cece2adb3c89a891b0c8d3a62f..0d6a74b286870610862fde315081fb8b3548fcd5 100644
--- a/webkit/glue/webview_impl.cc
+++ b/webkit/glue/webview_impl.cc
@@ -1827,6 +1827,14 @@ WebDevToolsAgentImpl* WebViewImpl::GetWebDevToolsAgentImpl() {
 }
 
 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;
 }