Revert of Move ProcessHeap::isLowEndDevice to MemoryCoordinator

third_party/WebKit/Source/platform/heap/Heap.cpp

Index: third_party/WebKit/Source/platform/heap/Heap.cpp
diff --git a/third_party/WebKit/Source/platform/heap/Heap.cpp b/third_party/WebKit/Source/platform/heap/Heap.cpp
index bc83a90b9886d3b9b3a41c77f2e50dee28f1a5de..31b391c7a706b07c5c6363ce8e9514305d543314 100644
--- a/third_party/WebKit/Source/platform/heap/Heap.cpp
+++ b/third_party/WebKit/Source/platform/heap/Heap.cpp
@@ -30,6 +30,7 @@
 
 #include "platform/heap/Heap.h"
 
+#include "base/sys_info.h"
 #include "platform/Histogram.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/ScriptForbiddenScope.h"
@@ -105,6 +106,7 @@
   s_totalAllocatedSpace = 0;
   s_totalAllocatedObjectSize = 0;
   s_totalMarkedObjectSize = 0;
+  s_isLowEndDevice = base::SysInfo::IsLowEndDevice();
 
   GCInfoTable::init();
   CallbackStackMemoryPool::instance().initialize();
@@ -137,6 +139,7 @@
 }
 
 bool ProcessHeap::s_shutdownComplete = false;
+bool ProcessHeap::s_isLowEndDevice = false;
 size_t ProcessHeap::s_totalAllocatedSpace = 0;
 size_t ProcessHeap::s_totalAllocatedObjectSize = 0;
 size_t ProcessHeap::s_totalMarkedObjectSize = 0;