win: Unbreak clang component build after https://codereview.chromium.org/2683043004

third_party/WebKit/public/platform/WebCoalescedInputEvent.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 WebCoalescedInputEvent_h
 #define WebCoalescedInputEvent_h
 
 #include "WebCommon.h"
 #include "WebInputEvent.h"
 
@@ skipping 11 matching lines @@
                          const std::vector<const WebInputEvent*>&);
 
   WebInputEvent* eventPointer();
   void addCoalescedEvent(const blink::WebInputEvent&);
   const WebInputEvent& event() const;
   size_t coalescedEventSize() const;
   const WebInputEvent& coalescedEvent(size_t index) const;
   std::vector<const WebInputEvent*> getCoalescedEventsPointers() const;
 
  private:
-  struct WebInputEventDeleter {
+  // TODO(hans): Remove this once clang-cl knows to not inline dtors that
+  // call operator(), https://crbug.com/691714
+  struct BLINK_PLATFORM_EXPORT WebInputEventDeleter {
     void operator()(blink::WebInputEvent*) const;
   };
 
   using WebScopedInputEvent =
       std::unique_ptr<WebInputEvent, WebInputEventDeleter>;
 
   WebScopedInputEvent makeWebScopedInputEvent(const blink::WebInputEvent&);
 
   WebScopedInputEvent m_event;
   std::vector<WebScopedInputEvent> m_coalescedEvents;
 };
 
 using WebScopedCoalescedInputEvent = std::unique_ptr<WebCoalescedInputEvent>;
 
 }  // namespace blink
 
 #endif