Initial switch to Chromium-style CHECK_* and DCHECK_* macros.

src/scanner.h

Index: src/scanner.h
diff --git a/src/scanner.h b/src/scanner.h
index 8537c5308c9f73e8dbf2f5f97e8188f195d531cc..2b09eee60aeac430a5bddca01e41887cf429ace6 100644
--- a/src/scanner.h
+++ b/src/scanner.h
@@ -390,11 +390,11 @@ class Scanner {
     return current_.literal_chars->length() != source_length;
   }
   bool is_literal_contextual_keyword(Vector<const char> keyword) {
-    DCHECK_NOT_NULL(current_.literal_chars);
+    DCHECK(current_.literal_chars);
     return current_.literal_chars->is_contextual_keyword(keyword);
   }
   bool is_next_contextual_keyword(Vector<const char> keyword) {
-    DCHECK_NOT_NULL(next_.literal_chars);
+    DCHECK(next_.literal_chars);
     return next_.literal_chars->is_contextual_keyword(keyword);
   }
 
@@ -536,17 +536,17 @@ class Scanner {
   }
 
   INLINE(void AddLiteralChar(uc32 c)) {
-    DCHECK_NOT_NULL(next_.literal_chars);
+    DCHECK(next_.literal_chars);
     next_.literal_chars->AddChar(c);
   }
 
   INLINE(void AddRawLiteralChar(uc32 c)) {
-    DCHECK_NOT_NULL(next_.raw_literal_chars);
+    DCHECK(next_.raw_literal_chars);
     next_.raw_literal_chars->AddChar(c);
   }
 
   INLINE(void ReduceRawLiteralLength(int delta)) {
-    DCHECK_NOT_NULL(next_.raw_literal_chars);
+    DCHECK(next_.raw_literal_chars);
     next_.raw_literal_chars->ReduceLength(delta);
   }
 
@@ -612,45 +612,45 @@ class Scanner {
   // These functions only give the correct result if the literal was scanned
   // when a LiteralScope object is alive.
   Vector<const uint8_t> literal_one_byte_string() {
-    DCHECK_NOT_NULL(current_.literal_chars);
+    DCHECK(current_.literal_chars);
     return current_.literal_chars->one_byte_literal();
   }
   Vector<const uint16_t> literal_two_byte_string() {
-    DCHECK_NOT_NULL(current_.literal_chars);
+    DCHECK(current_.literal_chars);
     return current_.literal_chars->two_byte_literal();
   }
   bool is_literal_one_byte() {
-    DCHECK_NOT_NULL(current_.literal_chars);
+    DCHECK(current_.literal_chars);
     return current_.literal_chars->is_one_byte();
   }
   int literal_length() const {
-    DCHECK_NOT_NULL(current_.literal_chars);
+    DCHECK(current_.literal_chars);
     return current_.literal_chars->length();
   }
   // Returns the literal string for the next token (the token that
   // would be returned if Next() were called).
   Vector<const uint8_t> next_literal_one_byte_string() {
-    DCHECK_NOT_NULL(next_.literal_chars);
+    DCHECK(next_.literal_chars);
     return next_.literal_chars->one_byte_literal();
   }
   Vector<const uint16_t> next_literal_two_byte_string() {
-    DCHECK_NOT_NULL(next_.literal_chars);
+    DCHECK(next_.literal_chars);
     return next_.literal_chars->two_byte_literal();
   }
   bool is_next_literal_one_byte() {
-    DCHECK_NOT_NULL(next_.literal_chars);
+    DCHECK(next_.literal_chars);
     return next_.literal_chars->is_one_byte();
   }
   Vector<const uint8_t> raw_literal_one_byte_string() {
-    DCHECK_NOT_NULL(current_.raw_literal_chars);
+    DCHECK(current_.raw_literal_chars);
     return current_.raw_literal_chars->one_byte_literal();
   }
   Vector<const uint16_t> raw_literal_two_byte_string() {
-    DCHECK_NOT_NULL(current_.raw_literal_chars);
+    DCHECK(current_.raw_literal_chars);
     return current_.raw_literal_chars->two_byte_literal();
   }
   bool is_raw_literal_one_byte() {
-    DCHECK_NOT_NULL(current_.raw_literal_chars);
+    DCHECK(current_.raw_literal_chars);
     return current_.raw_literal_chars->is_one_byte();
   }