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

chrome/browser/extensions/activity_log_unittest.cc

Index: chrome/browser/extensions/activity_log_unittest.cc
diff --git a/chrome/browser/extensions/activity_log_unittest.cc b/chrome/browser/extensions/activity_log_unittest.cc
index f678d7b481dca542d32fd591fa16785f2fffa8f0..a5ecc95502d6697853c1ae582b5c226885a36d4d 100644
--- a/chrome/browser/extensions/activity_log_unittest.cc
+++ b/chrome/browser/extensions/activity_log_unittest.cc
@@ -93,10 +93,8 @@ TEST_F(ActivityLogTest, Construct) {
   extension_service_->AddExtension(extension);
   scoped_ptr<ListValue> args(new ListValue());
   ASSERT_TRUE(ActivityLog::IsLogEnabled());
-  activity_log->LogAPIAction(extension,
-                             std::string("tabs.testMethod"),
-                             args.get(),
-                             "");
+  activity_log->LogAPIAction(
+      extension, std::string("tabs.testMethod"), args.get(), std::string());
 }
 
 TEST_F(ActivityLogTest, LogAndFetchActions) {
@@ -113,10 +111,8 @@ TEST_F(ActivityLogTest, LogAndFetchActions) {
   ASSERT_TRUE(ActivityLog::IsLogEnabled());
 
   // Write some API calls
-  activity_log->LogAPIAction(extension,
-                             std::string("tabs.testMethod"),
-                             args.get(),
-                             "");
+  activity_log->LogAPIAction(
+      extension, std::string("tabs.testMethod"), args.get(), std::string());
   activity_log->LogDOMAction(extension,
                              GURL("http://www.google.com"),
                              string16(),
@@ -144,14 +140,10 @@ TEST_F(ActivityLogTest, LogWithoutArguments) {
   scoped_ptr<ListValue> args(new ListValue());
   args->Set(0, new base::StringValue("hello"));
   args->Set(1, new base::StringValue("world"));
-  activity_log->LogAPIAction(extension,
-                             std::string("tabs.testMethod"),
-                             args.get(),
-                             "");
+  activity_log->LogAPIAction(
+      extension, std::string("tabs.testMethod"), args.get(), std::string());
   activity_log->GetActions(
-      extension->id(),
-      0,
-      base::Bind(ActivityLogTest::Arguments_Missing));
+      extension->id(), 0, base::Bind(ActivityLogTest::Arguments_Missing));
 }
 
 TEST_F(ActivityLogTest, LogWithArguments) {
@@ -169,14 +161,10 @@ TEST_F(ActivityLogTest, LogWithArguments) {
   scoped_ptr<ListValue> args(new ListValue());
   args->Set(0, new base::StringValue("hello"));
   args->Set(1, new base::StringValue("world"));
-  activity_log->LogAPIAction(extension,
-                            std::string("extension.connect"),
-                            args.get(),
-                            "");
+  activity_log->LogAPIAction(
+      extension, std::string("extension.connect"), args.get(), std::string());
   activity_log->GetActions(
-      extension->id(),
-      0,
-      base::Bind(ActivityLogTest::Arguments_Present));
+      extension->id(), 0, base::Bind(ActivityLogTest::Arguments_Present));
 }
 
 }  // namespace extensions