Remove obsolete V8_INFINITY macro.

test/cctest/compiler/function-tester.h

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_CCTEST_COMPILER_FUNCTION_TESTER_H_
 #define V8_CCTEST_COMPILER_FUNCTION_TESTER_H_
 
 #include "src/v8.h"
 #include "test/cctest/cctest.h"
 
@@ skipping 119 matching lines @@
   Handle<String> Val(const char* string) {
     return isolate->factory()->InternalizeUtf8String(string);
   }
 
   Handle<Object> Val(double value) {
     return isolate->factory()->NewNumber(value);
   }
 
   Handle<Object> infinity() { return isolate->factory()->infinity_value(); }
 
-  Handle<Object> minus_infinity() { return Val(-V8_INFINITY); }
+  Handle<Object> minus_infinity() {
+    return Val(-std::numeric_limits<double>::infinity());
+  }
 
   Handle<Object> nan() { return isolate->factory()->nan_value(); }
 
   Handle<Object> undefined() { return isolate->factory()->undefined_value(); }
 
   Handle<Object> null() { return isolate->factory()->null_value(); }
 
   Handle<Object> true_value() { return isolate->factory()->true_value(); }
 
   Handle<Object> false_value() { return isolate->factory()->false_value(); }
@@ skipping 69 matching lines @@
     CHECK(!code.is_null());
     function->ReplaceCode(*code);
     return function;
   }
 };
 }
 }
 }  // namespace v8::internal::compiler
 
 #endif  // V8_CCTEST_COMPILER_FUNCTION_TESTER_H_