Cleanup: Better constify some strings in chrome/browser/{chromeos,extensions}.

chrome/browser/extensions/crx_installer.cc

Index: chrome/browser/extensions/crx_installer.cc
diff --git a/chrome/browser/extensions/crx_installer.cc b/chrome/browser/extensions/crx_installer.cc
index 731c8ef9a36f9041657b7617280a7997e66cf287..d9cf9ca2836257d257b2b78d7258cd80c8097328 100644
--- a/chrome/browser/extensions/crx_installer.cc
+++ b/chrome/browser/extensions/crx_installer.cc
@@ -330,7 +330,7 @@ CrxInstallerError CrxInstaller::AllowInstall(const Extension* extension) {
 
   if (install_cause_ == extension_misc::INSTALL_CAUSE_USER_DOWNLOAD) {
     if (FeatureSwitch::easy_off_store_install()->IsEnabled()) {
-      const char* kHistogramName = "Extensions.OffStoreInstallDecisionEasy";
+      const char kHistogramName[] = "Extensions.OffStoreInstallDecisionEasy";
       if (is_gallery_install()) {
         UMA_HISTOGRAM_ENUMERATION(kHistogramName, OnStoreInstall,
                                   NumOffStoreInstallDecision);
@@ -339,7 +339,7 @@ CrxInstallerError CrxInstaller::AllowInstall(const Extension* extension) {
                                   NumOffStoreInstallDecision);
       }
     } else {
-      const char* kHistogramName = "Extensions.OffStoreInstallDecisionHard";
+      const char kHistogramName[] = "Extensions.OffStoreInstallDecisionHard";
       if (is_gallery_install()) {
         UMA_HISTOGRAM_ENUMERATION(kHistogramName, OnStoreInstall,
                                   NumOffStoreInstallDecision);