[test] Test expectations in cctest should use CHECK and not DCHECK.

test/cctest/test-heap-profiler.cc

Index: test/cctest/test-heap-profiler.cc
diff --git a/test/cctest/test-heap-profiler.cc b/test/cctest/test-heap-profiler.cc
index ae98cce298963131e2b4a9099172c2598c362c01..2541696fc03f24f35b79223f154d39b28381f760 100644
--- a/test/cctest/test-heap-profiler.cc
+++ b/test/cctest/test-heap-profiler.cc
@@ -862,7 +862,7 @@ class TestJSONStream : public v8::OutputStream {
     return kContinue;
   }
   virtual WriteResult WriteUint32Chunk(uint32_t* buffer, int chars_written) {
-    DCHECK(false);
+    CHECK(false);
     return kAbort;
   }
   void WriteTo(i::Vector<char> dest) { buffer_.WriteTo(dest); }
@@ -1031,13 +1031,13 @@ class TestStatsStream : public v8::OutputStream {
   virtual ~TestStatsStream() {}
   virtual void EndOfStream() { ++eos_signaled_; }
   virtual WriteResult WriteAsciiChunk(char* buffer, int chars_written) {
-    DCHECK(false);
+    CHECK(false);
     return kAbort;
   }
   virtual WriteResult WriteHeapStatsChunk(v8::HeapStatsUpdate* buffer,
                                           int updates_written) {
     ++intervals_count_;
-    DCHECK(updates_written);
+    CHECK(updates_written);
     updates_written_ += updates_written;
     entries_count_ = 0;
     if (first_interval_index_ == -1 && updates_written != 0)
@@ -2652,7 +2652,7 @@ TEST(ArrayBufferSharedBackingStore) {
 
   CHECK_EQ(1024, static_cast<int>(ab_contents.ByteLength()));
   void* data = ab_contents.Data();
-  DCHECK(data != NULL);
+  CHECK(data != NULL);
   v8::Local<v8::ArrayBuffer> ab2 =
       v8::ArrayBuffer::New(isolate, data, ab_contents.ByteLength());
   CHECK(ab2->IsExternal());