Added and replaced some UMAs

chrome/common/metrics/metrics_util.cc

Index: chrome/common/metrics/metrics_util.cc
diff --git a/chrome/common/metrics/metrics_util.cc b/chrome/common/metrics/metrics_util.cc
index 775501d98f8e019fd81d5b47b866e96ba1bc4d0e..a69aa01af2a2fe8134bf05baded49b13ee24c19f 100644
--- a/chrome/common/metrics/metrics_util.cc
+++ b/chrome/common/metrics/metrics_util.cc
@@ -5,6 +5,8 @@
 #include "chrome/common/metrics/metrics_util.h"
 
 #include "base/sha1.h"
+#include "base/string_util.h"
+#include "base/strings/string_tokenizer.h"
 #include "base/sys_byteorder.h"
 
 namespace metrics {
@@ -24,4 +26,26 @@ uint32 HashName(const std::string& name) {
   return base::ByteSwapToLE32(bits);
 }
 
+int ToLanguageCode(const std::string& locale) {
+  base::StringTokenizer parts(locale, "-_");
+  if (!parts.GetNext())
+    return 0;
+
+  std::string language_part = parts.token();
+  StringToLowerASCII(&language_part);
+
+  int language_code = 0;
+  for (std::string::iterator it = language_part.begin();
+       it != language_part.end(); ++it) {
+    char ch = *it;
+    if (ch < 'a' || 'z' < ch)
+      return 0;
+
+    language_code <<= 8;
+    language_code += ch;
+  }
+
+  return language_code;
+}
+
 }  // namespace metrics