Unify frame IDs with RenderFrameHost routing IDs.

chrome/renderer/printing/print_web_view_helper.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/renderer/printing/print_web_view_helper.h"
 
 #include <string>
 
 #include "base/auto_reset.h"
 #include "base/command_line.h"
@@ skipping 446 matching lines @@
   SkAutoCanvasRestore auto_restore(canvas, true);
   canvas->scale(1 / webkit_scale_factor, 1 / webkit_scale_factor);
 
   blink::WebSize page_size(page_layout.margin_left + page_layout.margin_right +
                             page_layout.content_width,
                             page_layout.margin_top + page_layout.margin_bottom +
                             page_layout.content_height);
 
   blink::WebView* web_view = blink::WebView::create(NULL);
   web_view->settings()->setJavaScriptEnabled(true);
-  blink::WebFrame* frame = blink::WebFrame::create(NULL);
+
+  // We don't need to use the frame ID for this frame, so we pass 0 for it.
+  blink::WebFrame* frame = blink::WebFrame::create(NULL, 0);
   web_view->setMainFrame(frame);
 
   base::StringValue html(
       ResourceBundle::GetSharedInstance().GetLocalizedString(
           IDR_PRINT_PREVIEW_PAGE));
   // Load page with script to avoid async operations.
   ExecuteScript(frame, kPageLoadScriptFormat, html);
 
   scoped_ptr<base::DictionaryValue> options(header_footer_info.DeepCopy());
   options->SetDouble("width", page_size.width);
@@ skipping 1518 matching lines @@
 }
 
 void PrintWebViewHelper::PrintPreviewContext::ClearContext() {
   prep_frame_view_.reset();
   metafile_.reset();
   pages_to_render_.clear();
   error_ = PREVIEW_ERROR_NONE;
 }
 
 }  // namespace printing