LayoutTheme: Invalidate cache on WebThemeEngine change.

third_party/WebKit/Source/web/WebKit.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 17 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "public/web/WebKit.h"
 
 #include "bindings/core/v8/Microtask.h"
 #include "bindings/core/v8/V8Binding.h"
 #include "bindings/core/v8/V8GCController.h"
 #include "bindings/core/v8/V8Initializer.h"
 #include "core/animation/AnimationClock.h"
+#include "core/layout/LayoutTheme.h"
 #include "core/page/Page.h"
 #include "core/workers/WorkerBackingThread.h"
 #include "gin/public/v8_platform.h"
 #include "modules/ModulesInitializer.h"
 #include "platform/LayoutTestSupport.h"
 #include "platform/heap/Heap.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebThread.h"
 #include "wtf/Assertions.h"
 #include "wtf/PtrUtil.h"
@@ skipping 69 matching lines @@
 void setLayoutTestMode(bool value) {
   LayoutTestSupport::setIsRunningLayoutTest(value);
 }
 
 bool layoutTestMode() {
   return LayoutTestSupport::isRunningLayoutTest();
 }
 
 void setMockThemeEnabledForTest(bool value) {
   LayoutTestSupport::setMockThemeEnabledForTest(value);
+  LayoutTheme::theme().didChangeThemeEngine();
 }
 
 void setFontAntialiasingEnabledForTest(bool value) {
   LayoutTestSupport::setFontAntialiasingEnabledForTest(value);
 }
 
 bool fontAntialiasingEnabledForTest() {
   return LayoutTestSupport::isFontAntialiasingEnabledForTest();
 }
 
 void resetPluginCache(bool reloadPages) {
   DCHECK(!reloadPages);
   Page::refreshPlugins();
 }
 
 void decommitFreeableMemory() {
   WTF::Partitions::decommitFreeableMemory();
 }
 
 void MemoryPressureNotificationToWorkerThreadIsolates(
     v8::MemoryPressureLevel level) {
   WorkerBackingThread::MemoryPressureNotificationToWorkerThreadIsolates(level);
 }
 
 void setRAILModeOnWorkerThreadIsolates(v8::RAILMode railMode) {
   WorkerBackingThread::setRAILModeOnWorkerThreadIsolates(railMode);
 }
 
 }  // namespace blink