Provide CommandLine::HasSwitch(const char*) to save 76kB in sizes perf

base/command_line.cc

Index: base/command_line.cc
diff --git a/base/command_line.cc b/base/command_line.cc
index 6125667d3ec8e66dcead5ec8147fd5879bd6ad48..48d44f99bac7244ee085f778971256cb19dd073f 100644
--- a/base/command_line.cc
+++ b/base/command_line.cc
@@ -266,6 +266,10 @@ bool CommandLine::HasSwitch(const std::string& switch_string) const {
   return switches_.find(LowerASCIIOnWindows(switch_string)) != switches_.end();
 }
 
+bool CommandLine::HasSwitch(const char string_constant[]) const {
+  return HasSwitch(std::string(string_constant));
+}
+
 std::string CommandLine::GetSwitchValueASCII(
     const std::string& switch_string) const {
   StringType value = GetSwitchValueNative(switch_string);