Allow browser tests to run with dynamic CLD data.

chrome/browser/translate/translate_tab_helper.cc

Index: chrome/browser/translate/translate_tab_helper.cc
diff --git a/chrome/browser/translate/translate_tab_helper.cc b/chrome/browser/translate/translate_tab_helper.cc
index 12d854d03e3b23890fc1933e4aa5cd3853ed515e..65c7a1e2bdf28f28fe6f968c6bda5de76d0be3f0 100644
--- a/chrome/browser/translate/translate_tab_helper.cc
+++ b/chrome/browser/translate/translate_tab_helper.cc
@@ -441,6 +441,16 @@ void TranslateTabHelper::HandleCLDDataRequest() {
     }
   }
 }
+
+// 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,