WebView: Add channel info for UMA

components/version_info/version_info.cc

Index: components/version_info/version_info.cc
diff --git a/components/version_info/version_info.cc b/components/version_info/version_info.cc
index b12ad0ff687cad0c89736d9461bf9c4e5fa9517a..0b28f1523900552b7decc2f7c195d1d2d53f2b9c 100644
--- a/components/version_info/version_info.cc
+++ b/components/version_info/version_info.cc
@@ -5,7 +5,6 @@
 #include "components/version_info/version_info.h"
 
 #include "build/build_config.h"
-#include "components/strings/grit/components_strings.h"
 #include "components/version_info/version_info_values.h"
 
 #if defined(USE_UNOFFICIAL_VERSION_NUMBER)
@@ -83,21 +82,4 @@ std::string GetChannelString(Channel channel) {
   return std::string();
 }
 
-std::string GetVersionStringWithModifier(const std::string& modifier) {
-  std::string current_version;
-  current_version += GetVersionNumber();
-#if defined(USE_UNOFFICIAL_VERSION_NUMBER)
-  current_version += " (";
-  current_version += l10n_util::GetStringUTF8(IDS_VERSION_UI_UNOFFICIAL);
-  current_version += " ";
-  current_version += GetLastChange();
-  current_version += " ";
-  current_version += GetOSType();
-  current_version += ")";
-#endif  // USE_UNOFFICIAL_VERSION_NUMBER
-  if (!modifier.empty())
-    current_version += " " + modifier;
-  return current_version;
-}
-
 }  // namespace version_info