Make printing work better with OOPIF.

android_webview/renderer/aw_content_renderer_client.cc

 // Copyright 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 "android_webview/renderer/aw_content_renderer_client.h"
 
 #include <vector>
 
 #include "android_webview/common/aw_resource.h"
 #include "android_webview/common/aw_switches.h"
@@ skipping 130 matching lines @@
   RenderThread::Get()->Send(new AwViewHostMsg_ShouldOverrideUrlLoading(
       render_frame_id, url, has_user_gesture, is_redirect, is_main_frame,
       &ignore_navigation));
   return ignore_navigation;
 }
 
 void AwContentRendererClient::RenderFrameCreated(
     content::RenderFrame* render_frame) {
   new AwContentSettingsClient(render_frame);
   new PrintRenderFrameObserver(render_frame);
+  new printing::PrintWebViewHelper(
+      render_frame, base::MakeUnique<AwPrintWebViewHelperDelegate>());
   new AwRenderFrameExt(render_frame);
 
   // TODO(jam): when the frame tree moves into content and parent() works at
   // RenderFrame construction, simplify this by just checking parent().
   content::RenderFrame* parent_frame =
       render_frame->GetRenderView()->GetMainRenderFrame();
   if (parent_frame && parent_frame != render_frame) {
     // Avoid any race conditions from having the browser's UI thread tell the IO
     // thread that a subframe was created.
     RenderThread::Get()->Send(new AwViewHostMsg_SubFrameCreated(
         parent_frame->GetRoutingID(), render_frame->GetRoutingID()));
   }
 
   // TODO(sgurun) do not create a password autofill agent (change
   // autofill agent to store a weakptr).
   autofill::PasswordAutofillAgent* password_autofill_agent =
       new autofill::PasswordAutofillAgent(render_frame);
   new autofill::AutofillAgent(render_frame, password_autofill_agent, NULL);
 }
 
 void AwContentRendererClient::RenderViewCreated(
     content::RenderView* render_view) {
   AwRenderViewExt::RenderViewCreated(render_view);
 
-  new printing::PrintWebViewHelper(
-      render_view, std::unique_ptr<printing::PrintWebViewHelper::Delegate>(
-                       new AwPrintWebViewHelperDelegate()));
-
 #if defined(ENABLE_SPELLCHECK)
   new SpellCheckProvider(render_view, spellcheck_.get());
 #endif
 }
 
 bool AwContentRendererClient::HasErrorPage(int http_status_code,
                           std::string* error_domain) {
   return http_status_code >= 400;
 }
 
@@ skipping 87 matching lines @@
   for (auto* extension : kMediaPlayerExtensions) {
     if (base::EndsWith(url.path(), extension,
                        base::CompareCase::INSENSITIVE_ASCII)) {
       return true;
     }
   }
   return false;
 }
 
 }  // namespace android_webview