Add LOCAL_ prefix to non-UMA histogram macros.

chrome/renderer/spellchecker/hunspell_engine.cc

Index: chrome/renderer/spellchecker/hunspell_engine.cc
diff --git a/chrome/renderer/spellchecker/hunspell_engine.cc b/chrome/renderer/spellchecker/hunspell_engine.cc
index f8071efc69d4823d4c67a3a15086af8662771c10..9800e283273ea09e2aef3135f64210f28fd8b2cb 100644
--- a/chrome/renderer/spellchecker/hunspell_engine.cc
+++ b/chrome/renderer/spellchecker/hunspell_engine.cc
@@ -15,7 +15,6 @@
 #include "content/public/renderer/render_thread.h"
 #include "third_party/hunspell/src/hunspell/hunspell.hxx"
 
-using base::TimeTicks;
 using content::RenderThread;
 
 namespace {
@@ -63,12 +62,15 @@ void HunspellEngine::InitializeHunspell() {
   bdict_file_.reset(new base::MemoryMappedFile);
 
   if (bdict_file_->Initialize(file_.Pass())) {
-    TimeTicks debug_start_time = base::Histogram::DebugNow();
+#ifndef NDEBUG
+    base::TimeTicks debug_start_time = base::TimeTicks::Now();
+#endif
 
     hunspell_.reset(new Hunspell(bdict_file_->data(), bdict_file_->length()));
-
-    DHISTOGRAM_TIMES("Spellcheck.InitTime",
-                     base::Histogram::DebugNow() - debug_start_time);
+#ifndef NDEBUG
+    LOCAL_HISTOGRAM_TIMES("Spellcheck.InitTime",
+                          base::TimeTicks::Now() - debug_start_time);
+#endif

[groby-ooo-7-16, 2014/08/25 21:12:11]

Feel free to remove this histogram.

[Alexei Svitkine (slow), 2014/08/25 21:21:03]

Done.

   } else {
     NOTREACHED() << "Could not mmap spellchecker dictionary.";
   }