Remove content->app dependency in template_url_prepopulate_data.cc.

chrome/browser/search_engines/template_url_prepopulate_data.h

Index: chrome/browser/search_engines/template_url_prepopulate_data.h
diff --git a/chrome/browser/search_engines/template_url_prepopulate_data.h b/chrome/browser/search_engines/template_url_prepopulate_data.h
index 1b96fd76d7a6bd692cfe0f60cf76ff6c8086636b..c72ef7dbc5fa3e70747b2ce5cfdb30ea88c379db 100644
--- a/chrome/browser/search_engines/template_url_prepopulate_data.h
+++ b/chrome/browser/search_engines/template_url_prepopulate_data.h
@@ -23,10 +23,11 @@ namespace TemplateURLPrepopulateData {
 extern const int kMaxPrepopulatedEngineID;
 
 #if defined(OS_ANDROID)
-// Returns the default country code at the time of install from Android.
-// This could either be the command line value that has been set or the
-// current location code during install.
-extern const std::string GetCountryCodeAtInstall();
+
+// This must be called early only once. |country_code| is the country code at
+// install following the ISO-3166 specification.
+void InitCountryCode(const std::string& country_code);
+
 #endif
 
 void RegisterUserPrefs(PrefService* prefs);