Removed Dynamic keyword support from dart2js.

sdk/lib/_internal/compiler/implementation/scanner/scanner.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 part of scanner;
 
 abstract class Scanner {
   Token tokenize();
 }
 
@@ skipping 642 matching lines @@
       appendKeywordToken(state.keyword);
       return next;
     } else {
       return tokenizeIdentifier(next, start, allowDollar);
     }
   }
 
   int tokenizeIdentifier(int next, int start, bool allowDollar) {
     bool isAscii = true;
 
-    // TODO(aprelev@gmail.com): Remove deprecated Dynamic keyword support.
-    bool isDynamicBuiltIn = false;
-
-    if (identical(next, $D)) {
-      next = advance();
-      if (identical(next, $y)) {
-        next = advance();
-        if (identical(next, $n)) {
-          next = advance();
-          if (identical(next, $a)) {
-            next = advance();
-            if (identical(next, $m)) {
-              next = advance();
-              if (identical(next, $i)) {
-                next = advance();
-                if (identical(next, $c)) {
-                  isDynamicBuiltIn = true;
-                  next = advance();
-                }
-              }
-            }
-          }
-        }
-      }
-    }
-
     while (true) {
       if (($a <= next && next <= $z) ||
           ($A <= next && next <= $Z) ||
           ($0 <= next && next <= $9) ||
           identical(next, $_) ||
           (identical(next, $$) && allowDollar)) {
-        isDynamicBuiltIn = false;
         next = advance();
       } else if ((next < 128) || (identical(next, $NBSP))) {
         // Identifier ends here.
         if (start == byteOffset) {
           return error(const SourceString("expected identifier"));
-        } else if (isDynamicBuiltIn) {
-          appendKeywordToken(Keyword.DYNAMIC_DEPRECATED);
         } else if (isAscii) {
           appendByteStringToken(IDENTIFIER_INFO, asciiString(start, 0));
         } else {
           appendByteStringToken(BAD_INPUT_INFO, utf8String(start, -1));
         }
         return next;
       } else {
-        isDynamicBuiltIn = false;
         int nonAsciiStart = byteOffset;
         do {
           next = nextByte();
           if (identical(next, $NBSP)) break;
         } while (next > 127);
         String string = utf8String(nonAsciiStart, -1).slowToString();
         isAscii = false;
         int byteLength = nonAsciiStart - byteOffset;
         addToCharOffset(string.length - byteLength);
       }
@@ skipping 145 matching lines @@
       next = advance();
     }
     return error(const SourceString("unterminated string literal"));
   }
 
   int error(SourceString message) {
     appendByteStringToken(BAD_INPUT_INFO, message);
     return advance(); // Ensure progress.
   }
 }