Replace ASSERTs in platform/heap/ with DCHECKs

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

Index: third_party/WebKit/Source/platform/heap/StackFrameDepth.cpp
diff --git a/third_party/WebKit/Source/platform/heap/StackFrameDepth.cpp b/third_party/WebKit/Source/platform/heap/StackFrameDepth.cpp
index 1d164f510a36de4ecb3328e6c80065f4913eca5d..2bddb75acfcda9b34003ab7dc65ad792c108c021 100644
--- a/third_party/WebKit/Source/platform/heap/StackFrameDepth.cpp
+++ b/third_party/WebKit/Source/platform/heap/StackFrameDepth.cpp
@@ -47,9 +47,9 @@ void StackFrameDepth::enableStackLimit() {
   static const int kStackRoomSize = 1024;
 
   Address stackBase = reinterpret_cast<Address>(getStackStart());
-  RELEASE_ASSERT(stackSize > static_cast<const size_t>(kStackRoomSize));
+  CHECK(stackSize > static_cast<const size_t>(kStackRoomSize));
   size_t stackRoom = stackSize - kStackRoomSize;
-  RELEASE_ASSERT(stackBase > reinterpret_cast<Address>(stackRoom));
+  CHECK(stackBase > reinterpret_cast<Address>(stackRoom));
   m_stackFrameLimit = reinterpret_cast<uintptr_t>(stackBase - stackRoom);
 
   // If current stack use is already exceeding estimated limit, mark as
@@ -85,7 +85,7 @@ size_t StackFrameDepth::getUnderestimatedStackSize() {
     void* base;
     size_t size;
     error = pthread_attr_getstack(&attr, &base, &size);
-    RELEASE_ASSERT(!error);
+    CHECK(!error);
     pthread_attr_destroy(&attr);
     return size;
   }
@@ -148,7 +148,7 @@ void* StackFrameDepth::getStackStart() {
     void* base;
     size_t size;
     error = pthread_attr_getstack(&attr, &base, &size);
-    RELEASE_ASSERT(!error);
+    CHECK(!error);
     pthread_attr_destroy(&attr);
     return reinterpret_cast<uint8_t*>(base) + size;
   }
@@ -162,7 +162,7 @@ void* StackFrameDepth::getStackStart() {
   // See https://code.google.com/p/nativeclient/issues/detail?id=3431.
   return __libc_stack_end;
 #else
-  ASSERT_NOT_REACHED();
+  NOTREACHED();
   return nullptr;
 #endif
 #elif OS(MACOSX)