Replace ASSERTs in platform/heap/ with DCHECKs

third_party/WebKit/Source/platform/heap/PageMemory.h

Index: third_party/WebKit/Source/platform/heap/PageMemory.h
diff --git a/third_party/WebKit/Source/platform/heap/PageMemory.h b/third_party/WebKit/Source/platform/heap/PageMemory.h
index 6e1e87a24d91de89b067376e31b5d8f808f8808b..a82ac1b5b75031fbabcfa3eedb9b41825c74faa2 100644
--- a/third_party/WebKit/Source/platform/heap/PageMemory.h
+++ b/third_party/WebKit/Source/platform/heap/PageMemory.h
@@ -26,7 +26,7 @@ class MemoryRegion {
 
  public:
   MemoryRegion(Address base, size_t size) : m_base(base), m_size(size) {
-    ASSERT(size > 0);
+    DCHECK_GT(size, 0UL);
   }
 
   bool contains(Address addr) const {
@@ -62,7 +62,7 @@ class PageMemoryRegion : public MemoryRegion {
   void pageDeleted(Address);
 
   void markPageUsed(Address page) {
-    ASSERT(!m_inUse[index(page)]);
+    DCHECK(!m_inUse[index(page)]);
     m_inUse[index(page)] = true;
   }
 
@@ -79,7 +79,7 @@ class PageMemoryRegion : public MemoryRegion {
   }
 
   BasePage* pageFromAddress(Address address) {
-    ASSERT(contains(address));
+    DCHECK(contains(address));
     if (!m_inUse[index(address)])
       return nullptr;
     if (m_isLargePage)
@@ -91,11 +91,11 @@ class PageMemoryRegion : public MemoryRegion {
   PageMemoryRegion(Address base, size_t, unsigned numPages, RegionTree*);
 
   unsigned index(Address address) const {
-    ASSERT(contains(address));
+    DCHECK(contains(address));
     if (m_isLargePage)
       return 0;
     size_t offset = blinkPageAddress(address) - base();
-    ASSERT(offset % blinkPageSize == 0);
+    DCHECK_EQ(offset % blinkPageSize, 0UL);
     return offset / blinkPageSize;
   }