Low memory page navigation GC for low end devices

third_party/WebKit/Source/core/exported/WebMemoryStatistics.cpp

Index: third_party/WebKit/Source/core/exported/WebMemoryStatistics.cpp
diff --git a/third_party/WebKit/Source/core/exported/WebMemoryStatistics.cpp b/third_party/WebKit/Source/core/exported/WebMemoryStatistics.cpp
index 465a85aba5907abe67efdb2c34a8c0513404c994..d1800ac80695478bc262c7d050318f5cbffb2716 100644
--- a/third_party/WebKit/Source/core/exported/WebMemoryStatistics.cpp
+++ b/third_party/WebKit/Source/core/exported/WebMemoryStatistics.cpp
@@ -9,37 +9,10 @@
 
 namespace blink {
 
-namespace {
-
-class LightPartitionStatsDumperImpl : public WTF::PartitionStatsDumper {
- public:
-  LightPartitionStatsDumperImpl() : total_active_bytes_(0) {}
-
-  void PartitionDumpTotals(
-      const char* partition_name,
-      const WTF::PartitionMemoryStats* memory_stats) override {
-    total_active_bytes_ += memory_stats->total_active_bytes;
-  }
-
-  void PartitionsDumpBucketStats(
-      const char* partition_name,
-      const WTF::PartitionBucketMemoryStats*) override {}
-
-  size_t TotalActiveBytes() const { return total_active_bytes_; }
-
- private:
-  size_t total_active_bytes_;
-};
-
-}  // namespace
-
 WebMemoryStatistics WebMemoryStatistics::Get() {
-  LightPartitionStatsDumperImpl dumper;
   WebMemoryStatistics statistics;
-
-  WTF::Partitions::DumpMemoryStats(true, &dumper);
-  statistics.partition_alloc_total_allocated_bytes = dumper.TotalActiveBytes();
-
+  statistics.partition_alloc_total_allocated_bytes =
+      WTF::Partitions::TotalActiveBytes();
   statistics.blink_gc_total_allocated_bytes =
       ProcessHeap::TotalAllocatedObjectSize() +
       ProcessHeap::TotalMarkedObjectSize();