Make the renderer-side prerendering code use RenderFrames instead of RenderViews.

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"
 #include "base/json/json_writer.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "base/metrics/histogram.h"
 #include "base/process/process_handle.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/print_messages.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/renderer/prerender/prerender_helper.h"
+#include "content/public/renderer/render_frame.h"
 #include "content/public/renderer/render_thread.h"
 #include "content/public/renderer/render_view.h"
 #include "content/public/renderer/web_preferences.h"
 #include "grit/browser_resources.h"
 #include "grit/generated_resources.h"
 #include "net/base/escape.h"
 #include "printing/metafile.h"
 #include "printing/metafile_impl.h"
 #include "printing/units.h"
 #include "skia/ext/vector_platform_device_skia.h"
@@ skipping 717 matching lines @@
   is_loading_ = false;
   ShowScriptedPrintPreview();
 }
 
 // Prints |frame| which called window.print().
 void PrintWebViewHelper::PrintPage(blink::WebFrame* frame,
                                    bool user_initiated) {
   DCHECK(frame);
 
   // Allow Prerendering to cancel this print request if necessary.
-  if (prerender::PrerenderHelper::IsPrerendering(render_view())) {
+  if (prerender::PrerenderHelper::IsPrerendering(
+          render_view()->GetMainRenderFrame())) {
     Send(new ChromeViewHostMsg_CancelPrerenderForPrinting(routing_id()));
     return;
   }
 
   if (!IsScriptInitiatedPrintAllowed(frame, user_initiated))
     return;
   IncrementScriptedPrintCount();
 
   if (is_preview_enabled_) {
     print_preview_context_.InitWithFrame(frame);
@@ skipping 1192 matching lines @@
 }
 
 void PrintWebViewHelper::PrintPreviewContext::ClearContext() {
   prep_frame_view_.reset();
   metafile_.reset();
   pages_to_render_.clear();
   error_ = PREVIEW_ERROR_NONE;
 }
 
 }  // namespace printing