Make Script::GetTokenLocation() and Script::TokenRangeAtLine() use token streams where possible.

runtime/vm/scanner_test.cc

 // 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.
 
 #include "platform/assert.h"
 #include "vm/os.h"
 #include "vm/scanner.h"
 #include "vm/token.h"
 #include "vm/unit_test.h"
 
@@ skipping 392 matching lines @@
 void InvalidText() {
   const Scanner::GrowableTokenStream& tokens =
       Scan("\\");
 
   EXPECT_EQ(2, tokens.length());
   CheckKind(tokens, 0, Token::kERROR);
   CheckKind(tokens, 1, Token::kEOS);
 }
 
 
-void FindLineTest() {
-  const char* source =
-      "/*1*/   \n"
-      "/*2*/   class A {\n"
-      "/*3*/      void foo() { }\n"
-      "/*4*/   }\n";
-
-  Scanner scanner(String::Handle(String::New(source)),
-                  String::Handle(String::New("")));
-
-  intptr_t first_token_index, last_token_index;
-  scanner.TokenRangeAtLine(3, &first_token_index, &last_token_index);
-  EXPECT_EQ(3, first_token_index);
-  EXPECT_EQ(8, last_token_index);
-  scanner.TokenRangeAtLine(100, &first_token_index, &last_token_index);
-  EXPECT(first_token_index < 0);
-  scanner.TokenRangeAtLine(1, &first_token_index, &last_token_index);
-  EXPECT_EQ(0, first_token_index);
-  EXPECT(last_token_index < 0);
-}
-
-
 void NewlinesTest() {
   const char* source =
       "var es = /* a\n"
       "            b\n"
       "          */ \"\"\"\n"
       "c\n"
       "d\n"
       "\"\"\";";
 
   const Scanner::GrowableTokenStream& tokens = Scan(source);
@@ skipping 27 matching lines @@
   CommentTest();
   GreedIsGood();
   StringEscapes();
   InvalidStringEscapes();
   RawString();
   MultilineString();
   EmptyString();
   EmptyMultilineString();
   NumberLiteral();
   InvalidText();
-  FindLineTest();
   NewlinesTest();
 }
 
 }  // namespace dart