Allow browser tests to run with dynamic CLD data.

chrome/browser/translate/translate_tab_helper.cc

 // Copyright 2011 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 "chrome/browser/translate/translate_tab_helper.h"
 
 #include <vector>
 
 #include "base/logging.h"
 #include "base/prefs/pref_service.h"
@@ skipping 423 matching lines @@
     if (s_cached_file_) {
       // Idempotence: Racing another request on the blocking pool, abort.
     } else {
       // Else, this request has taken care of it all. Cache all info.
       s_cached_file_ = file.release();
       s_cached_data_offset_ = data_offset;
       s_cached_data_length_ = data_length;
     }
   }
 }
+
+// DO NOT USE IN PRODUCTION, LEAKS FILE HANDLES!
+void TranslateTabHelper::ClearCLDDataForTest() {
+  base::AutoLock lock(s_file_lock_.Get());
+  if (s_cached_file_) {
+    s_cached_file_ = NULL; // Leaks any open handle, no way to avoid safely.
+    s_cached_data_offset_ = 0;
+    s_cached_data_length_ = 0;
+  }
+}
 #endif  // defined(CLD2_DYNAMIC_MODE)
 
 void TranslateTabHelper::InitiateTranslation(const std::string& page_lang,
                                              int attempt) {
   if (translate_driver_.GetLanguageState().translation_pending())
     return;
 
   // During a reload we need web content to be available before the
   // translate script is executed. Otherwise we will run the translate script on
   // an empty DOM which will fail. Therefore we wait a bit to see if the page
@@ skipping 83 matching lines @@
     if (GetLanguageState().InTranslateNavigation())
       return;
   }
 
   TranslateBubbleFactory::Show(
       browser->window(), web_contents(), step, error_type);
 #else
   NOTREACHED();
 #endif
 }