Refactoring: Move some classes from content/child to platform

content/child/web_discardable_memory_impl.cc

 // 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.
 
 #include "content/child/web_discardable_memory_impl.h"
 
 #include <utility>
 
 #include "base/memory/discardable_memory.h"
 #include "base/memory/discardable_memory_allocator.h"
-#include "content/child/web_process_memory_dump_impl.h"
+#include "third_party/WebKit/public/platform/WebProcessMemoryDump.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 
 namespace content {
 
 WebDiscardableMemoryImpl::~WebDiscardableMemoryImpl() {}
 
 // static
 scoped_ptr<WebDiscardableMemoryImpl>
 WebDiscardableMemoryImpl::CreateLockedMemory(size_t size) {
   return make_scoped_ptr(new WebDiscardableMemoryImpl(
@@ skipping 10 matching lines @@
 }
 
 void* WebDiscardableMemoryImpl::data() {
   return discardable_->data();
 }
 
 blink::WebMemoryAllocatorDump*
 WebDiscardableMemoryImpl::createMemoryAllocatorDump(
     const blink::WebString& name,
     blink::WebProcessMemoryDump* wpmd) const {
-  return static_cast<content::WebProcessMemoryDumpImpl*>(wpmd)
-      ->CreateDiscardableMemoryAllocatorDump(name.utf8(), discardable_.get());
+  return wpmd->createDiscardableMemoryAllocatorDump(
+      name.utf8(), discardable_.get());
 }
 
 WebDiscardableMemoryImpl::WebDiscardableMemoryImpl(
     scoped_ptr<base::DiscardableMemory> memory)
     : discardable_(std::move(memory)) {}
 
 }  // namespace content