Enforce lowercase switches when calling CommandLine::HasSwitch(const char*).

base/command_line_unittest.cc

Index: base/command_line_unittest.cc
diff --git a/base/command_line_unittest.cc b/base/command_line_unittest.cc
index e395c85677ab3f36844e9572b535e8f4d77adc90..db1a0b27cb1bca5d135d9f1d5e6704da7b9482cd 100644
--- a/base/command_line_unittest.cc
+++ b/base/command_line_unittest.cc
@@ -60,12 +60,13 @@ TEST(CommandLineTest, CommandLineConstructor) {
             cl.GetProgram().value());
 
   EXPECT_TRUE(cl.HasSwitch("foo"));
-  EXPECT_TRUE(cl.HasSwitch("bAr"));
-  EXPECT_TRUE(cl.HasSwitch("baz"));
-  EXPECT_TRUE(cl.HasSwitch("spaetzle"));
 #if defined(OS_WIN)
-  EXPECT_TRUE(cl.HasSwitch("SPAETZLE"));
+  EXPECT_TRUE(cl.HasSwitch("bar"));
+#else
+  EXPECT_FALSE(cl.HasSwitch("bar"));
 #endif
+  EXPECT_TRUE(cl.HasSwitch("baz"));
+  EXPECT_TRUE(cl.HasSwitch("spaetzle"));
   EXPECT_TRUE(cl.HasSwitch("other-switches"));
   EXPECT_TRUE(cl.HasSwitch("input-translation"));
 
@@ -128,7 +129,6 @@ TEST(CommandLineTest, CommandLineFromString) {
   EXPECT_TRUE(cl.HasSwitch("bar"));
   EXPECT_TRUE(cl.HasSwitch("baz"));
   EXPECT_TRUE(cl.HasSwitch("spaetzle"));
-  EXPECT_TRUE(cl.HasSwitch("SPAETZLE"));
   EXPECT_TRUE(cl.HasSwitch("other-switches"));
   EXPECT_TRUE(cl.HasSwitch("input-translation"));
   EXPECT_TRUE(cl.HasSwitch("quotes"));