[TimeZoneMonitor] Decouple renderer side impl from content to blink.

third_party/WebKit/Source/modules/ModulesInitializer.cpp

 // Copyright (c) 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 "ModulesInitializer.h"
 
 #include "bindings/modules/v8/ModuleBindingsInitializer.h"
 #include "core/EventTypeNames.h"
 #include "core/css/CSSPaintImageGenerator.h"
 #include "core/dom/Document.h"
 #include "core/html/HTMLCanvasElement.h"
 #include "core/offscreencanvas/OffscreenCanvas.h"
 #include "modules/EventModulesFactory.h"
 #include "modules/EventModulesNames.h"
 #include "modules/EventTargetModulesNames.h"
 #include "modules/IndexedDBNames.h"
 #include "modules/accessibility/AXObjectCacheImpl.h"
 #include "modules/canvas2d/CanvasRenderingContext2D.h"
 #include "modules/compositorworker/CompositorWorkerThread.h"
 #include "modules/csspaint/CSSPaintImageGeneratorImpl.h"
 #include "modules/filesystem/DraggedIsolatedFileSystemImpl.h"
 #include "modules/imagebitmap/ImageBitmapRenderingContext.h"
 #include "modules/offscreencanvas2d/OffscreenCanvasRenderingContext2D.h"
+#include "modules/time_zone_monitor/TimeZoneMonitorClient.h"
 #include "modules/webdatabase/DatabaseManager.h"
 #include "modules/webgl/WebGL2RenderingContext.h"
 #include "modules/webgl/WebGLRenderingContext.h"
+#include "platform/mojo/MojoHelper.h"
 #include "wtf/PtrUtil.h"
 
 namespace blink {
 
 void ModulesInitializer::initialize() {
   ASSERT(!isInitialized());
 
   // Strings must be initialized before calling CoreInitializer::init().
   const unsigned modulesStaticStringsCount =
       EventNames::EventModulesNamesCount +
       EventTargetNames::EventTargetModulesNamesCount +
       IndexedDBNames::IndexedDBNamesCount;
   StringImpl::reserveStaticStringsCapacityForSize(modulesStaticStringsCount);
 
   EventNames::initModules();
   EventTargetNames::initModules();
   Document::registerEventFactory(EventModulesFactory::create());
   ModuleBindingsInitializer::init();
   IndexedDBNames::init();
   AXObjectCache::init(AXObjectCacheImpl::create);
   DraggedIsolatedFileSystem::init(
       DraggedIsolatedFileSystemImpl::prepareForDataObject);
   CSSPaintImageGenerator::init(CSSPaintImageGeneratorImpl::create);
+  // Some unit tests may have no message loop ready, so we can't initialize the
+  // mojo stuff here. They can initialize those mojo stuff they're interested in
+  // later after they got a message loop ready.
+  if (canInitializeMojo())
+    TimeZoneMonitorClient::Init();
 
   CoreInitializer::initialize();
 
   // Canvas context types must be registered with the HTMLCanvasElement.
   HTMLCanvasElement::registerRenderingContextFactory(
       wrapUnique(new CanvasRenderingContext2D::Factory()));
   HTMLCanvasElement::registerRenderingContextFactory(
       wrapUnique(new WebGLRenderingContext::Factory()));
   HTMLCanvasElement::registerRenderingContextFactory(
       wrapUnique(new WebGL2RenderingContext::Factory()));
@@ skipping 10 matching lines @@
 }
 
 void ModulesInitializer::shutdown() {
   ASSERT(isInitialized());
   DatabaseManager::terminateDatabaseThread();
   CoreInitializer::shutdown();
   CompositorWorkerThread::clearSharedBackingThread();
 }
 
 }  // namespace blink