Introduce ProcessHeap

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

Index: third_party/WebKit/Source/platform/heap/HeapPage.cpp
diff --git a/third_party/WebKit/Source/platform/heap/HeapPage.cpp b/third_party/WebKit/Source/platform/heap/HeapPage.cpp
index f199239a16b109d307e43c780aaec29ec9d3315a..3e29d69f5603e6571909f7c5b4f4f6a7b12f1936 100644
--- a/third_party/WebKit/Source/platform/heap/HeapPage.cpp
+++ b/third_party/WebKit/Source/platform/heap/HeapPage.cpp
@@ -1140,7 +1140,7 @@ void NormalPage::sweep()
 #if !ENABLE(ASSERT) && !defined(LEAK_SANITIZER) && !defined(ADDRESS_SANITIZER)
             // Discarding pages increases page faults and may regress performance.
             // So we enable this only on low-RAM devices.
-            if (Heap::isLowEndDevice())
+            if (ProcessHeap::isLowEndDevice())
                 discardPages(startOfGap + sizeof(FreeListEntry), headerAddress);
 #endif
         }
@@ -1152,7 +1152,7 @@ void NormalPage::sweep()
     if (startOfGap != payloadEnd()) {
         pageArena->addToFreeList(startOfGap, payloadEnd() - startOfGap);
 #if !ENABLE(ASSERT) && !defined(LEAK_SANITIZER) && !defined(ADDRESS_SANITIZER)
-        if (Heap::isLowEndDevice())
+        if (ProcessHeap::isLowEndDevice())
             discardPages(startOfGap + sizeof(FreeListEntry), payloadEnd());
 #endif
     }