Remove code to collect spellchecker stats

chrome/browser/spellchecker/spellcheck_host_impl.cc

Index: chrome/browser/spellchecker/spellcheck_host_impl.cc
diff --git a/chrome/browser/spellchecker/spellcheck_host_impl.cc b/chrome/browser/spellchecker/spellcheck_host_impl.cc
index 7d4ac5a19a55020a20637d58651a5815b0900715..a3846d98e09ac9b46189969bd493a4a4b5b57f2a 100644
--- a/chrome/browser/spellchecker/spellcheck_host_impl.cc
+++ b/chrome/browser/spellchecker/spellcheck_host_impl.cc
@@ -32,9 +32,6 @@
 #include "net/url_request/url_request_context_getter.h"
 #include "third_party/hunspell/google/bdict.h"
 #include "ui/base/l10n/l10n_util.h"
-#if defined(OS_MACOSX)
-#include "base/metrics/histogram.h"
-#endif
 
 using content::BrowserThread;
 
@@ -48,32 +45,6 @@ FilePath GetFirstChoiceFilePath(const std::string& language) {
   return SpellCheckCommon::GetVersionedFileName(language, dict_dir);
 }
 
-#if defined(OS_MACOSX)
-// Collect metrics on how often Hunspell is used on OS X vs the native
-// spellchecker.
-void RecordSpellCheckStats(bool native_spellchecker_used,
-                           const std::string& language) {
-  CR_DEFINE_STATIC_LOCAL(std::set<std::string>, languages_seen, ());
-
-  // Only count a language code once for each session..
-  if (languages_seen.find(language) != languages_seen.end()) {
-    return;
-  }
-  languages_seen.insert(language);
-
-  enum {
-    SPELLCHECK_OSX_NATIVE_SPELLCHECKER_USED = 0,
-    SPELLCHECK_HUNSPELL_USED = 1
-  };
-
-  bool engine_used = native_spellchecker_used ?
-                         SPELLCHECK_OSX_NATIVE_SPELLCHECKER_USED :
-                         SPELLCHECK_HUNSPELL_USED;
-
-  UMA_HISTOGRAM_COUNTS("SpellCheck.OSXEngineUsed", engine_used);
-}
-#endif
-
 #if defined(OS_WIN)
 FilePath GetFallbackFilePath(const FilePath& first_choice) {
   FilePath dict_dir;
@@ -132,9 +103,6 @@ void SpellCheckHostImpl::Initialize() {
 
   if (SpellCheckerPlatform::SpellCheckerAvailable() &&
       SpellCheckerPlatform::PlatformSupportsLanguage(language_)) {
-#if defined(OS_MACOSX)
-    RecordSpellCheckStats(true, language_);
-#endif
     use_platform_spellchecker_ = true;
     SpellCheckerPlatform::SetLanguage(language_);
     MessageLoop::current()->PostTask(FROM_HERE,
@@ -143,10 +111,6 @@ void SpellCheckHostImpl::Initialize() {
     return;
   }
 
-#if defined(OS_MACOSX)
-  RecordSpellCheckStats(false, language_);
-#endif
-
   BrowserThread::PostTaskAndReply(BrowserThread::FILE, FROM_HERE,
       base::Bind(&SpellCheckHostImpl::InitializeDictionaryLocation,
                  base::Unretained(this)),