Reland #1: Fix re-usage of stale cached WebPreferences in RenderViewHost.

components/test_runner/test_runner.cc

 // Copyright 2014 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 "components/test_runner/test_runner.h"
 
 #include <stddef.h>
 #include <limits>
 #include <utility>
 
@@ skipping 2303 matching lines @@
   } else if (key == "WebKitDisableReadingFromCanvas") {
     prefs->disable_reading_from_canvas = value->BooleanValue();
   } else if (key == "WebKitStrictMixedContentChecking") {
     prefs->strict_mixed_content_checking = value->BooleanValue();
   } else if (key == "WebKitStrictPowerfulFeatureRestrictions") {
     prefs->strict_powerful_feature_restrictions = value->BooleanValue();
   } else if (key == "WebKitShouldRespectImageOrientation") {
     prefs->should_respect_image_orientation = value->BooleanValue();
   } else if (key == "WebKitWebSecurityEnabled") {
     prefs->web_security_enabled = value->BooleanValue();
+  } else if (key == "WebKitSpatialNavigationEnabled") {
+    prefs->spatial_navigation_enabled = value->BooleanValue();
   } else {
     std::string message("Invalid name for preference: ");
     message.append(key);
     delegate_->PrintMessage(std::string("CONSOLE MESSAGE: ") + message + "\n");
   }
   delegate_->ApplyPreferences();
 }
 
 std::string TestRunner::GetAcceptLanguages() const {
   return layout_test_runtime_flags_.accept_languages();
@@ skipping 400 matching lines @@
 
 void TestRunner::NotifyDone() {
   if (layout_test_runtime_flags_.wait_until_done() && !topLoadingFrame() &&
       work_queue_.is_empty())
     delegate_->TestFinished();
   layout_test_runtime_flags_.set_wait_until_done(false);
   OnLayoutTestRuntimeFlagsChanged();
 }
 
 }  // namespace test_runner