Update the Linux.GlibcVersion histogram to handle glibc 2.2x.

chrome/browser/metrics/chrome_browser_main_extra_parts_metrics.cc

Index: chrome/browser/metrics/chrome_browser_main_extra_parts_metrics.cc
diff --git a/chrome/browser/metrics/chrome_browser_main_extra_parts_metrics.cc b/chrome/browser/metrics/chrome_browser_main_extra_parts_metrics.cc
index 6171938fa84e34e546df81d74eff5f05c9288ee4..8dfbfb92175c60b4fc42ce38f9287c4a000e25ab 100644
--- a/chrome/browser/metrics/chrome_browser_main_extra_parts_metrics.cc
+++ b/chrome/browser/metrics/chrome_browser_main_extra_parts_metrics.cc
@@ -45,7 +45,7 @@ enum UMALinuxGlibcVersion {
   UMA_LINUX_GLIBC_NOT_PARSEABLE,
   UMA_LINUX_GLIBC_UNKNOWN,
   UMA_LINUX_GLIBC_2_11,
-  UMA_LINUX_GLIBC_2_19 = UMA_LINUX_GLIBC_2_11 + 8,
+  UMA_LINUX_GLIBC_2_29 = UMA_LINUX_GLIBC_2_11 + 18,
   // NOTE: Add new version above this line and update the enum list in
   // tools/metrics/histograms/histograms.xml accordingly.
   UMA_LINUX_GLIBC_VERSION_COUNT
@@ -134,7 +134,7 @@ void RecordLinuxGlibcVersion() {
       int translated_glibc_minor_version =
           glibc_minor_version - kGlibcMinorVersionTranslationOffset;
       if (translated_glibc_minor_version >= UMA_LINUX_GLIBC_2_11 &&
-          translated_glibc_minor_version <= UMA_LINUX_GLIBC_2_19) {
+          translated_glibc_minor_version <= UMA_LINUX_GLIBC_2_29) {
         glibc_version_result =
             static_cast<UMALinuxGlibcVersion>(translated_glibc_minor_version);
       }