Rewrite std::string("") to std::string(), Linux edition.

chrome/test/chromedriver/chrome/web_view_impl_unittest.cc

 // Copyright (c) 2013 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 <list>
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/values.h"
@@ skipping 42 matching lines @@
 
  private:
   Status status_;
   base::DictionaryValue result_;
 };
 
 void AssertEvalFails(const base::DictionaryValue& command_result) {
   scoped_ptr<base::DictionaryValue> result;
   FakeDevToolsClient client;
   client.set_result(command_result);
-  Status status = internal::EvaluateScript(&client, 0, "",
-                                           internal::ReturnByValue, &result);
+  Status status = internal::EvaluateScript(
+      &client, 0, std::string(), internal::ReturnByValue, &result);
   ASSERT_EQ(kUnknownError, status.code());
   ASSERT_FALSE(result);
 }
 
 }  // namespace
 
 TEST(EvaluateScript, CommandError) {
   scoped_ptr<base::DictionaryValue> result;
   FakeDevToolsClient client;
   client.set_status(Status(kUnknownError));
-  Status status = internal::EvaluateScript(&client, 0, "",
-                                           internal::ReturnByValue, &result);
+  Status status = internal::EvaluateScript(
+      &client, 0, std::string(), internal::ReturnByValue, &result);
   ASSERT_EQ(kUnknownError, status.code());
   ASSERT_FALSE(result);
 }
 
 TEST(EvaluateScript, MissingWasThrown) {
   base::DictionaryValue dict;
   ASSERT_NO_FATAL_FAILURE(AssertEvalFails(dict));
 }
 
 TEST(EvaluateScript, MissingResult) {
@@ skipping 10 matching lines @@
 }
 
 TEST(EvaluateScript, Ok) {
   scoped_ptr<base::DictionaryValue> result;
   base::DictionaryValue dict;
   dict.SetBoolean("wasThrown", false);
   dict.SetInteger("result.key", 100);
   FakeDevToolsClient client;
   client.set_result(dict);
   ASSERT_TRUE(internal::EvaluateScript(
-      &client, 0, "", internal::ReturnByValue, &result).IsOk());
+      &client, 0, std::string(), internal::ReturnByValue, &result).IsOk());
   ASSERT_TRUE(result);
   ASSERT_TRUE(result->HasKey("key"));
 }
 
 TEST(EvaluateScriptAndGetValue, MissingType) {
   scoped_ptr<base::Value> result;
   FakeDevToolsClient client;
   base::DictionaryValue dict;
   dict.SetBoolean("wasThrown", false);
   dict.SetInteger("result.value", 1);
   client.set_result(dict);
   ASSERT_TRUE(internal::EvaluateScriptAndGetValue(
-      &client, 0, "", &result).IsError());
+      &client, 0, std::string(), &result).IsError());
 }
 
 TEST(EvaluateScriptAndGetValue, Undefined) {
   scoped_ptr<base::Value> result;
   FakeDevToolsClient client;
   base::DictionaryValue dict;
   dict.SetBoolean("wasThrown", false);
   dict.SetString("result.type", "undefined");
   client.set_result(dict);
-  Status status = internal::EvaluateScriptAndGetValue(
-      &client, 0, "", &result);
+  Status status =
+      internal::EvaluateScriptAndGetValue(&client, 0, std::string(), &result);
   ASSERT_EQ(kOk, status.code());
   ASSERT_TRUE(result && result->IsType(base::Value::TYPE_NULL));
 }
 
 TEST(EvaluateScriptAndGetValue, Ok) {
   scoped_ptr<base::Value> result;
   FakeDevToolsClient client;
   base::DictionaryValue dict;
   dict.SetBoolean("wasThrown", false);
   dict.SetString("result.type", "integer");
   dict.SetInteger("result.value", 1);
   client.set_result(dict);
-  Status status = internal::EvaluateScriptAndGetValue(
-      &client, 0, "", &result);
+  Status status =
+      internal::EvaluateScriptAndGetValue(&client, 0, std::string(), &result);
   ASSERT_EQ(kOk, status.code());
   int value;
   ASSERT_TRUE(result && result->GetAsInteger(&value));
   ASSERT_EQ(1, value);
 }
 
 TEST(EvaluateScriptAndGetObject, NoObject) {
   FakeDevToolsClient client;
   base::DictionaryValue dict;
   dict.SetBoolean("wasThrown", false);
   dict.SetString("result.type", "integer");
   client.set_result(dict);
   bool got_object;
   std::string object_id;
   ASSERT_TRUE(internal::EvaluateScriptAndGetObject(
-      &client, 0, "", &got_object, &object_id).IsOk());
+      &client, 0, std::string(), &got_object, &object_id).IsOk());
   ASSERT_FALSE(got_object);
   ASSERT_TRUE(object_id.empty());
 }
 
 TEST(EvaluateScriptAndGetObject, Ok) {
   FakeDevToolsClient client;
   base::DictionaryValue dict;
   dict.SetBoolean("wasThrown", false);
   dict.SetString("result.objectId", "id");
   client.set_result(dict);
   bool got_object;
   std::string object_id;
   ASSERT_TRUE(internal::EvaluateScriptAndGetObject(
-      &client, 0, "", &got_object, &object_id).IsOk());
+      &client, 0, std::string(), &got_object, &object_id).IsOk());
   ASSERT_TRUE(got_object);
   ASSERT_STREQ("id", object_id.c_str());
 }
 
 TEST(ParseCallFunctionResult, NotDict) {
   scoped_ptr<base::Value> result;
   base::FundamentalValue value(1);
   ASSERT_NE(kOk, internal::ParseCallFunctionResult(value, &result).code());
 }
 
@@ skipping 11 matching lines @@
 
 TEST(ParseCallFunctionResult, ScriptError) {
   scoped_ptr<base::Value> result;
   base::DictionaryValue dict;
   dict.SetInteger("status", 1);
   dict.SetInteger("value", 1);
   Status status = internal::ParseCallFunctionResult(dict, &result);
   ASSERT_EQ(1, status.code());
   ASSERT_FALSE(result);
 }