Fix presubmit.

test/cctest/test-api.cc

 // Copyright 2007-2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 480 matching lines @@
   for (int i = 0; i < 100; i++) {
     String::Value value(small_string);
   }
   // Frequently used strings should be accepted.
   CHECK(small_string->CanMakeExternal());
 
   const int buf_size = 10 * 1024;
   char* buf = i::NewArray<char>(buf_size);
   memset(buf, 'a', buf_size);
   buf[buf_size - 1] = '\0';
-  
+
   two_byte_string = AsciiToTwoByteString(buf);
   Local<String> large_string = String::New(two_byte_string);
   i::DeleteArray(buf);
   i::DeleteArray(two_byte_string);
   // Large strings should be immediately accepted.
   CHECK(large_string->CanMakeExternal());
 }
 
 
 TEST(MakingExternalAsciiStringConditions) {
@@ skipping 178 matching lines @@
     v8::HandleScope scope;
     LocalContext env;
     const char* one_byte_string_1 = "function a_times_t";
     const char* two_byte_string_1 = "wo_plus_b(a, b) {return ";
     const char* one_byte_extern_1 = "a * 2 + b;} a_times_two_plus_b(4, 8) + ";
     const char* two_byte_extern_1 = "a_times_two_plus_b(4, 8) + ";
     const char* one_byte_string_2 = "a_times_two_plus_b(4, 8) + ";
     const char* two_byte_string_2 = "a_times_two_plus_b(4, 8) + ";
     const char* two_byte_extern_2 = "a_times_two_plus_b(1, 2);";
     Local<String> left = v8_str(one_byte_string_1);
-    
+
     uint16_t* two_byte_source = AsciiToTwoByteString(two_byte_string_1);
     Local<String> right = String::New(two_byte_source);
     i::DeleteArray(two_byte_source);
-    
+
     Local<String> source = String::Concat(left, right);
     right = String::NewExternal(
         new TestAsciiResource(i::StrDup(one_byte_extern_1)));
     source = String::Concat(source, right);
     right = String::NewExternal(
         new TestResource(AsciiToTwoByteString(two_byte_extern_1)));
     source = String::Concat(source, right);
     right = v8_str(one_byte_string_2);
     source = String::Concat(source, right);
 
@@ skipping 10462 matching lines @@
 
   ExpectString("str2.substring(2, 10);", "elspenda");
 
   ExpectString("str2.substring(2, 20);", "elspendabelabelspe");
 
   ExpectString("str2.charAt(2);", "e");
 
   reresult = CompileRun("str2.charCodeAt(2);");
   CHECK_EQ(static_cast<int32_t>('e'), reresult->Int32Value());
 }