Refactoring: Move some classes from content/child to platform

content/child/web_process_memory_dump_impl.h

Index: content/child/web_process_memory_dump_impl.h
diff --git a/content/child/web_process_memory_dump_impl.h b/content/child/web_process_memory_dump_impl.h
deleted file mode 100644
index 9e7b8707f70eda07c4839015c495bddce5d230d6..0000000000000000000000000000000000000000
--- a/content/child/web_process_memory_dump_impl.h
+++ /dev/null
@@ -1,117 +0,0 @@
-// Copyright 2015 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 CONTENT_CHILD_WEB_PROCESS_MEMORY_DUMP_IMPL_H_
-#define CONTENT_CHILD_WEB_PROCESS_MEMORY_DUMP_IMPL_H_
-
-#include "base/containers/scoped_ptr_hash_map.h"
-#include "base/gtest_prod_util.h"
-#include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/scoped_vector.h"
-#include "base/trace_event/memory_dump_request_args.h"
-#include "content/common/content_export.h"
-#include "third_party/WebKit/public/platform/WebProcessMemoryDump.h"
-
-namespace base {
-class DiscardableMemory;
-namespace trace_event {
-class MemoryAllocatorDump;
-class ProcessMemoryDump;
-}  // namespace base
-}  // namespace trace_event
-
-namespace skia {
-class SkiaTraceMemoryDumpImpl;
-}  // namespace skia
-
-namespace content {
-
-class WebMemoryAllocatorDumpImpl;
-
-// Implements the blink::WebProcessMemoryDump interface by means of proxying the
-// calls to createMemoryAllocatorDump() to the underlying
-// base::trace_event::ProcessMemoryDump instance.
-class CONTENT_EXPORT WebProcessMemoryDumpImpl final
-    : public NON_EXPORTED_BASE(blink::WebProcessMemoryDump) {
- public:
-  // Creates a standalone WebProcessMemoryDumpImp, which owns the underlying
-  // ProcessMemoryDump.
-  WebProcessMemoryDumpImpl();
-
-  // Wraps (without owning) an existing ProcessMemoryDump.
-  explicit WebProcessMemoryDumpImpl(
-      base::trace_event::MemoryDumpLevelOfDetail level_of_detail,
-      base::trace_event::ProcessMemoryDump* process_memory_dump);
-
-  ~WebProcessMemoryDumpImpl() override;
-
-  // blink::WebProcessMemoryDump implementation.
-  blink::WebMemoryAllocatorDump* createMemoryAllocatorDump(
-      const blink::WebString& absolute_name) override;
-  blink::WebMemoryAllocatorDump* createMemoryAllocatorDump(
-      const blink::WebString& absolute_name,
-      blink::WebMemoryAllocatorDumpGuid guid) override;
-  blink::WebMemoryAllocatorDump* getMemoryAllocatorDump(
-      const blink::WebString& absolute_name) const override;
-  void clear() override;
-  void takeAllDumpsFrom(blink::WebProcessMemoryDump* other) override;
-  void addOwnershipEdge(blink::WebMemoryAllocatorDumpGuid source,
-                        blink::WebMemoryAllocatorDumpGuid target,
-                        int importance) override;
-  void addOwnershipEdge(blink::WebMemoryAllocatorDumpGuid source,
-                        blink::WebMemoryAllocatorDumpGuid target) override;
-  void addSuballocation(blink::WebMemoryAllocatorDumpGuid source,
-                        const blink::WebString& target_node_name) override;
-  SkTraceMemoryDump* createDumpAdapterForSkia(
-      const blink::WebString& dump_name_prefix) override;
-
-  const base::trace_event::ProcessMemoryDump* process_memory_dump() const {
-    return process_memory_dump_;
-  }
-
-  blink::WebMemoryAllocatorDump* CreateDiscardableMemoryAllocatorDump(
-      const std::string& name,
-      base::DiscardableMemory* discardable);
-
-  void dumpHeapUsage(
-      const base::hash_map<base::trace_event::AllocationContext, size_t>&
-          bytes_by_context,
-      base::trace_event::TraceEventMemoryOverhead& overhead,
-      const char* allocator_name) override;
-
- private:
-  FRIEND_TEST_ALL_PREFIXES(WebProcessMemoryDumpImplTest, IntegrationTest);
-
-  blink::WebMemoryAllocatorDump* createWebMemoryAllocatorDump(
-      base::trace_event::MemoryAllocatorDump* memory_allocator_dump);
-
-  // Only for the case of ProcessMemoryDump being owned (i.e. the default ctor).
-  scoped_ptr<base::trace_event::ProcessMemoryDump> owned_process_memory_dump_;
-
-  // The underlying ProcessMemoryDump instance to which the
-  // createMemoryAllocatorDump() calls will be proxied to.
-  base::trace_event::ProcessMemoryDump* process_memory_dump_;  // Not owned.
-
-  // TODO(ssid): Remove it once this information is added to ProcessMemoryDump.
-  base::trace_event::MemoryDumpLevelOfDetail level_of_detail_;
-
-  // Reverse index of MemoryAllocatorDump -> WebMemoryAllocatorDumpImpl wrapper.
-  // By design WebMemoryDumpProvider(s) are not supposed to hold the pointer
-  // to the WebProcessMemoryDump passed as argument of the onMemoryDump() call.
-  // Those pointers are valid only within the scope of the call and can be
-  // safely torn down once the WebProcessMemoryDumpImpl itself is destroyed.
-  base::ScopedPtrHashMap<base::trace_event::MemoryAllocatorDump*,
-                         scoped_ptr<WebMemoryAllocatorDumpImpl>>
-      memory_allocator_dumps_;
-
-  // Stores SkTraceMemoryDump for the current ProcessMemoryDump.
-  ScopedVector<skia::SkiaTraceMemoryDumpImpl> sk_trace_dump_list_;
-
-  DISALLOW_COPY_AND_ASSIGN(WebProcessMemoryDumpImpl);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_CHILD_WEB_PROCESS_MEMORY_DUMP_IMPL_H_