iwyu: Include stringprintf.h where appropriate, part 3.

chrome/test/v8_unit_test.cc

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "base/string_util.h"
+#include "base/stringprintf.h"
+#include "base/string_piece.h"
 #include "chrome/test/v8_unit_test.h"
 
 V8UnitTest::V8UnitTest() {}
 
 V8UnitTest::~V8UnitTest() {}
 
 void V8UnitTest::SetUp() {
   v8::Handle<v8::ObjectTemplate> global = v8::ObjectTemplate::New();
   global->Set(v8::String::New("log"),
               v8::FunctionTemplate::New(&V8UnitTest::Log));
@@ skipping 28 matching lines @@
     FAIL() << ExceptionToString(&try_catch);
   }
 }
 
 std::string V8UnitTest::ExceptionToString(v8::TryCatch* try_catch) {
   std::string str;
   v8::HandleScope handle_scope;
   v8::String::Utf8Value exception(try_catch->Exception());
   v8::Handle<v8::Message> message = try_catch->Message();
   if (message.IsEmpty()) {
-    str.append(StringPrintf("%s\n", *exception));
+    str.append(base::StringPrintf("%s\n", *exception));
   } else {
     v8::String::Utf8Value filename(message->GetScriptResourceName());
     int linenum = message->GetLineNumber();
     int colnum = message->GetStartColumn();
-    str.append(StringPrintf("%s:%i:%i %s\n", *filename, linenum, colnum,
-                            *exception));
+    str.append(base::StringPrintf(
+        "%s:%i:%i %s\n", *filename, linenum, colnum, *exception));
     v8::String::Utf8Value sourceline(message->GetSourceLine());
-    str.append(StringPrintf("%s\n", *sourceline));
+    str.append(base::StringPrintf("%s\n", *sourceline));
   }
   return str;
 }
 
 void V8UnitTest::TestFunction(const std::string& function_name) {
   v8::Context::Scope context_scope(context_);
   v8::HandleScope handle_scope;
 
   v8::Handle<v8::Value> functionProperty =
       context_->Global()->Get(v8::String::New(function_name.c_str()));
@@ skipping 20 matching lines @@
       first = false;
     } else {
       message += " ";
     }
     v8::String::Utf8Value str(args[i]);
     message += *str;
   }
   std::cout << message << "\n";
   return v8::Undefined();
 }