Refactoring: Move some classes from content/child to platform

third_party/WebKit/Source/platform/WebProcessMemoryDumpImpl.cpp

Index: third_party/WebKit/Source/platform/WebProcessMemoryDumpImpl.cpp
diff --git a/content/child/web_process_memory_dump_impl.cc b/third_party/WebKit/Source/platform/WebProcessMemoryDumpImpl.cpp
similarity index 98%
rename from content/child/web_process_memory_dump_impl.cc
rename to third_party/WebKit/Source/platform/WebProcessMemoryDumpImpl.cpp
index a95c9d7a583ef74d00aa98e209049e6430b0f936..c4b0b5b9991c954e2eb7b07b4dc9ceab771f9793 100644
--- a/content/child/web_process_memory_dump_impl.cc
+++ b/third_party/WebKit/Source/platform/WebProcessMemoryDumpImpl.cpp
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "content/child/web_process_memory_dump_impl.h"
+#include "platform/WebProcessMemoryDumpImpl.h"
 
 #include <stddef.h>
 
@@ -11,10 +11,10 @@
 #include "base/trace_event/process_memory_dump.h"
 #include "base/trace_event/trace_event_argument.h"
 #include "base/trace_event/trace_event_memory_overhead.h"
-#include "content/child/web_memory_allocator_dump_impl.h"
+#include "platform/WebMemoryAllocatorDumpImpl.h"
 #include "skia/ext/skia_trace_memory_dump_impl.h"
 
-namespace content {
+namespace blink {
 
 WebProcessMemoryDumpImpl::WebProcessMemoryDumpImpl()
     : owned_process_memory_dump_(