Remove the discrepencies between chrome and android_webview print

android_webview/browser/aw_content_browser_client.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 "android_webview/browser/aw_content_browser_client.h"
 
 #include "android_webview/browser/aw_browser_context.h"
 #include "android_webview/browser/aw_browser_main_parts.h"
 #include "android_webview/browser/aw_browser_permission_request_delegate.h"
 #include "android_webview/browser/aw_contents_client_bridge_base.h"
 #include "android_webview/browser/aw_contents_io_thread_client.h"
 #include "android_webview/browser/aw_cookie_access_policy.h"
 #include "android_webview/browser/aw_dev_tools_manager_delegate.h"
+#include "android_webview/browser/aw_printing_message_filter.h"
 #include "android_webview/browser/aw_quota_permission_context.h"
 #include "android_webview/browser/aw_web_preferences_populater.h"
 #include "android_webview/browser/jni_dependency_factory.h"
 #include "android_webview/browser/net/aw_url_request_context_getter.h"
 #include "android_webview/browser/net_disk_cache_remover.h"
 #include "android_webview/browser/renderer_host/aw_resource_dispatcher_host_delegate.h"
 #include "android_webview/common/render_view_messages.h"
 #include "android_webview/common/url_constants.h"
 #include "base/android/locale_utils.h"
 #include "base/base_paths_android.h"
@@ skipping 180 matching lines @@
 
   // Grant content: and file: scheme to the whole process, since we impose
   // per-view access checks.
   content::ChildProcessSecurityPolicy::GetInstance()->GrantScheme(
       host->GetID(), android_webview::kContentScheme);
   content::ChildProcessSecurityPolicy::GetInstance()->GrantScheme(
       host->GetID(), url::kFileScheme);
 
   host->AddFilter(new AwContentsMessageFilter(host->GetID()));
   host->AddFilter(new cdm::CdmMessageFilterAndroid());
+  host->AddFilter(new AwPrintingMessageFilter(host->GetID()));
 }
 
 net::URLRequestContextGetter* AwContentBrowserClient::CreateRequestContext(
     content::BrowserContext* browser_context,
     content::ProtocolHandlerMap* protocol_handlers,
     content::URLRequestInterceptorScopedVector request_interceptors) {
   DCHECK_EQ(browser_context_.get(), browser_context);
   return browser_context_->CreateRequestContext(protocol_handlers,
                                                 request_interceptors.Pass());
 }
@@ skipping 327 matching lines @@
   return native_factory_->CreateExternalVideoSurfaceContainer(web_contents);
 }
 #endif
 
 content::DevToolsManagerDelegate*
 AwContentBrowserClient::GetDevToolsManagerDelegate() {
   return new AwDevToolsManagerDelegate();
 }
 
 }  // namespace android_webview