Fix reload of a tab that crashed in background.

content/browser/renderer_host/render_widget_host_impl.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 "content/browser/renderer_host/render_widget_host_impl.h"
 
 #include <math.h>
 #include <set>
 #include <utility>
 
@@ skipping 1189 matching lines @@
   ResetSizeAndRepaintPendingFlags();
   current_size_.SetSize(0, 0);
   // After the renderer crashes, the view is destroyed and so the
   // RenderWidgetHost cannot track its visibility anymore. We assume such
   // RenderWidgetHost to be visible for the sake of internal accounting - be
   // careful about changing this - see http://crbug.com/401859.
   //
   // We need to at least make sure that the RenderProcessHost is notified about
   // the |is_hidden_| change, so that the renderer will have correct visibility
   // set when respawned.
-  if (!is_hidden_) {
+  if (is_hidden_) {
     process_->WidgetRestored();
     is_hidden_ = false;
   }
 
   // Reset this to ensure the hung renderer mechanism is working properly.
   in_flight_event_count_ = 0;
 
   if (view_) {
     GpuSurfaceTracker::Get()->SetSurfaceHandle(surface_id_,
                                                gfx::GLSurfaceHandle());
@@ skipping 1096 matching lines @@
 }
 #endif
 
 SkColorType RenderWidgetHostImpl::PreferredReadbackFormat() {
   if (view_)
     return view_->PreferredReadbackFormat();
   return kN32_SkColorType;
 }
 
 }  // namespace content