Componentization: make symbols visible.

public/platform/WebDataConsumerHandle.h

 // 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.
 
 #ifndef WebDataConsumerHandle_h
 #define WebDataConsumerHandle_h
 
 #include <stddef.h>
 
 #if INSIDE_BLINK
 #include "wtf/PassOwnPtr.h"
 #endif
 
 #include "public/platform/WebCommon.h"
 
 namespace blink {
 
 // WebDataConsumerHandle represents the "consumer" side of a data pipe. A user
 // can read data from it.
 //
 // A WebDataConsumerHandle is a thread-safe object. A user can call
 // |obtainReader| or destruct the object on any thread.
 // A WebDataConsumerHandle having a reader is called "locked". A
 // WebDataConsumerHandle or its reader are called "waiting" when reading from
 // the handle or reader returns ShouldWait.
-class WebDataConsumerHandle {
+class BLINK_PLATFORM_EXPORT WebDataConsumerHandle {
 public:
     using Flags = unsigned;
     static const Flags FlagNone = 0;
 
     enum Result {
         Ok,
         Done,
         Busy,
         ShouldWait,
         ResourceExhausted,
@@ skipping 84 matching lines @@
     virtual Reader* obtainReaderInternal(Client* client)
     {
         BLINK_ASSERT_NOT_REACHED();
         return nullptr;
     }
 };
 
 } // namespace blink
 
 #endif // WebDataConsumerHandle_h