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

third_party/WebKit/Source/platform/mojo/MojoHelper.h

 // Copyright 2016 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.
 
 #ifndef MojoHelper_h
 #define MojoHelper_h
 
+#include "base/message_loop/message_loop.h"
 #include "mojo/public/cpp/bindings/wtf_array.h"
 #include "platform/heap/HeapAllocator.h"
 #include <utility>
 
 namespace mojo {
 
 // A |TypeConverter| that will create a |WTFArray<T>| containing a copy of the
 // contents of a |blink::HeapVector<E>|, using |TypeConverter<T, E>| to copy
 // each element. The returned array will always be non-null.
 template <typename T, typename E>
 struct TypeConverter<WTFArray<T>, blink::HeapVector<E>> {
   static WTFArray<T> Convert(const blink::HeapVector<E>& input) {
     WTFArray<T> result(input.size());
     for (size_t i = 0; i < input.size(); ++i)
       result[i] = TypeConverter<T, E>::Convert(input[i]);
     return std::move(result);
   }
 };
 
 }  // namespace mojo
 
+namespace blink {
+
+// Used to get whether message loop is ready for current thread, to help
+// blink::initialize() determining whether can initialize mojo stuff or not.
+// TODO(leonhsl): http://crbug.com/660274 Remove this API by ensuring
+// a message loop before calling blink::initialize().
+inline bool canInitializeMojo() {
+  return base::MessageLoop::current();
+}
+}

[kinuko, 2016/11/08 11:35:12]

nit: // namespace blink

[leonhsl(Using Gerrit), 2016/11/08 12:22:39]

Done.

+
 #endif  // MojoHelper_h