PlzNavigate: implement RequestNavigation in the no live renderer case

content/browser/frame_host/render_frame_host_impl.cc

 // Copyright 2013 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 "content/browser/frame_host/render_frame_host_impl.h"
 
 #include "base/bind.h"
+#include "base/command_line.h"
 #include "base/containers/hash_tables.h"
 #include "base/lazy_instance.h"
 #include "base/metrics/user_metrics_action.h"
 #include "base/time/time.h"
 #include "content/browser/accessibility/accessibility_mode_helper.h"
 #include "content/browser/accessibility/browser_accessibility_manager.h"
 #include "content/browser/accessibility/browser_accessibility_state_impl.h"
 #include "content/browser/child_process_security_policy_impl.h"
 #include "content/browser/frame_host/cross_process_frame_connector.h"
 #include "content/browser/frame_host/cross_site_transferring_request.h"
@@ skipping 19 matching lines @@
 #include "content/common/swapped_out_messages.h"
 #include "content/public/browser/ax_event_notification_details.h"
 #include "content/public/browser/browser_accessibility_state.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/browser/desktop_notification_delegate.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_widget_host_view.h"
 #include "content/public/browser/user_metrics.h"
 #include "content/public/common/content_constants.h"
+#include "content/public/common/content_switches.h"
 #include "content/public/common/url_constants.h"
 #include "content/public/common/url_utils.h"
 #include "ui/accessibility/ax_tree.h"
 #include "url/gurl.h"
 
 using base::TimeDelta;
 
 namespace content {
 
 namespace {
@@ skipping 829 matching lines @@
 
 void RenderFrameHostImpl::OnUpdateEncoding(const std::string& encoding_name) {
   // This message is only sent for top-level frames. TODO(avi): when frame tree
   // mirroring works correctly, add a check here to enforce it.
   delegate_->UpdateEncoding(this, encoding_name);
 }
 
 
 void RenderFrameHostImpl::OnBeginNavigation(
     const FrameHostMsg_BeginNavigation_Params& params) {
-#if defined(USE_BROWSER_SIDE_NAVIGATION)
-  frame_tree_node()->render_manager()->OnBeginNavigation(params);
-#endif
+  if (CommandLine::ForCurrentProcess()->HasSwitch(
+      switches::kEnableBrowserSideNavigation)) {
+    frame_tree_node()->render_manager()->OnBeginNavigation(params);
+  }
 }
 
 void RenderFrameHostImpl::OnAccessibilityEvents(
     const std::vector<AccessibilityHostMsg_EventParams>& params) {
   RenderWidgetHostViewBase* view = static_cast<RenderWidgetHostViewBase*>(
       render_view_host_->GetView());
 
 
   AccessibilityMode accessibility_mode = delegate_->GetAccessibilityMode();
   if ((accessibility_mode != AccessibilityModeOff) && view &&
@@ skipping 282 matching lines @@
       FROM_HERE,
       base::Bind(
           &TransitionRequestManager::SetHasPendingTransitionRequest,
           base::Unretained(TransitionRequestManager::GetInstance()),
           GetProcess()->GetID(),
           routing_id_,
           has_pending_request));
 }
 
 }  // namespace content