Fix "unreachable code" warnings (MSVC warning 4702), misc. edition.

components/translate/language_detection/language_detection_util.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/translate/language_detection/language_detection_util.h"
 
 #include "base/logging.h"
 #include "base/metrics/field_trial.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
@@ skipping 227 matching lines @@
   if (language.empty()) {
     translate::ReportLanguageVerification(
         translate::LANGUAGE_VERIFICATION_CLD_ONLY);
     return cld_language;
   }
 
   if (cld_language == kUnknownLanguageCode) {
     translate::ReportLanguageVerification(
         translate::LANGUAGE_VERIFICATION_UNKNOWN);
     return language;
-  } else if (CanCLDComplementSubCode(language, cld_language)) {
+  }
+
+  if (CanCLDComplementSubCode(language, cld_language)) {
     translate::ReportLanguageVerification(
         translate::LANGUAGE_VERIFICATION_CLD_COMPLEMENT_SUB_CODE);
     return cld_language;
-  } else if (IsSameOrSimilarLanguages(language, cld_language)) {
+  }
+
+  if (IsSameOrSimilarLanguages(language, cld_language)) {
     translate::ReportLanguageVerification(
         translate::LANGUAGE_VERIFICATION_CLD_AGREE);
     return language;
-  } else if (MaybeServerWrongConfiguration(language, cld_language)) {
+  }
+
+  if (MaybeServerWrongConfiguration(language, cld_language)) {
     translate::ReportLanguageVerification(
         translate::LANGUAGE_VERIFICATION_TRUST_CLD);
     return cld_language;
-  } else {
-    translate::ReportLanguageVerification(
-        translate::LANGUAGE_VERIFICATION_CLD_DISAGREE);
-    // Content-Language value might be wrong because CLD says that this page
-    // is written in another language with confidence.
-    // In this case, Chrome doesn't rely on any of the language codes, and
-    // gives up suggesting a translation.
-    return std::string(kUnknownLanguageCode);
   }
 
-  return language;
+  // Content-Language value might be wrong because CLD says that this page is
+  // written in another language with confidence.  In this case, Chrome doesn't
+  // rely on any of the language codes, and gives up suggesting a translation.
+  translate::ReportLanguageVerification(
+      translate::LANGUAGE_VERIFICATION_CLD_DISAGREE);
+  return kUnknownLanguageCode;
 }
 
 void CorrectLanguageCodeTypo(std::string* code) {
   DCHECK(code);
 
   size_t coma_index = code->find(',');
   if (coma_index != std::string::npos) {
     // There are more than 1 language specified, just keep the first one.
     *code = code->substr(0, coma_index);
   }
@@ skipping 96 matching lines @@
   // distinguish from English, and the language is one of well-known languages
   // which often provide "en-*" meta information mistakenly.
   for (size_t i = 0; i < arraysize(kWellKnownCodesOnWrongConfiguration); ++i) {
     if (cld_language == kWellKnownCodesOnWrongConfiguration[i])
       return true;
   }
   return false;
 }
 
 }  // namespace translate