Make UMA_HISTOGRAM_ENUMERATION work with scoped enums.

chrome/browser/devtools/devtools_ui_bindings.cc

Index: chrome/browser/devtools/devtools_ui_bindings.cc
diff --git a/chrome/browser/devtools/devtools_ui_bindings.cc b/chrome/browser/devtools/devtools_ui_bindings.cc
index a5ef5f6f7c292d7f12328d003ecd9882c1ddedd1..f9daa46bd39cc1726ef97092e6e23a2d704a92f4 100644
--- a/chrome/browser/devtools/devtools_ui_bindings.cc
+++ b/chrome/browser/devtools/devtools_ui_bindings.cc
@@ -1061,11 +1061,11 @@ void DevToolsUIBindings::RecordEnumeratedHistogram(const std::string& name,
     return;
   }
   // Each histogram name must follow a different code path in
-  // order to UMA_HISTOGRAM_ENUMERATION work correctly.
+  // order to UMA_HISTOGRAM_EXACT_LINEAR work correctly.
   if (name == kDevToolsActionTakenHistogram)
-    UMA_HISTOGRAM_ENUMERATION(name, sample, boundary_value);
+    UMA_HISTOGRAM_EXACT_LINEAR(name, sample, boundary_value);
   else if (name == kDevToolsPanelShownHistogram)
-    UMA_HISTOGRAM_ENUMERATION(name, sample, boundary_value);
+    UMA_HISTOGRAM_EXACT_LINEAR(name, sample, boundary_value);
   else
     frontend_host_->BadMessageRecieved();
 }