Remove redundant c_str() calls.

chrome/browser/component_updater/recovery_component_installer.cc

Index: chrome/browser/component_updater/recovery_component_installer.cc
diff --git a/chrome/browser/component_updater/recovery_component_installer.cc b/chrome/browser/component_updater/recovery_component_installer.cc
index 868e5c7e9a1613980a612fc7ffc2caccc0389417..4b17d43149113bd4610c0792f065d0eeabcd642a 100644
--- a/chrome/browser/component_updater/recovery_component_installer.cc
+++ b/chrome/browser/component_updater/recovery_component_installer.cc
@@ -173,7 +173,7 @@ void DoElevatedInstallRecoveryComponent(const base::FilePath& path) {
     return;
   std::string proposed_version;
   manifest->GetStringASCII("version", &proposed_version);
-  const base::Version version(proposed_version.c_str());
+  const base::Version version(proposed_version);
   if (!version.IsValid())
     return;
 
@@ -427,7 +427,7 @@ bool RecoveryComponentInstaller::DoInstall(
     return false;
   std::string proposed_version;
   manifest.GetStringASCII("version", &proposed_version);
-  base::Version version(proposed_version.c_str());
+  base::Version version(proposed_version);
   if (!version.IsValid())
     return false;
   if (current_version_.CompareTo(version) >= 0)