This CL ensures we use the language specified in the language meta tag if any.

Also IsPageTranslatable was moved to TranslateHelper as it is where it belongs.

BUG=51454
TEST=Run the browser tests.

Review URL: http://codereview.chromium.org/3236008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@58175 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 13 insertions, 0 deletions

diff --git a/chrome/renderer/translate_helper.h b/chrome/renderer/translate_helper.h
index bec9e02..0e3a989 100644
--- a/chrome/renderer/translate_helper.h
+++ b/chrome/renderer/translate_helper.h
@@ -13,6 +13,7 @@
 
 class RenderView;
 namespace WebKit {
+class WebDocument;
 class WebFrame;
 }
 
@@ -39,6 +40,18 @@ class TranslateHelper {
   // revert existing translations.
   void CancelPendingTranslation();
 
+  // Returns whether the page associated with |document| is a candidate for
+  // translation.  Some pages can explictly specify (via a meta-tag) that they
+  // should not be translated.
+  static bool IsPageTranslatable(WebKit::WebDocument* document);
+
+  // Returns the language specified in the language meta tag of |document|, or
+  // an empty string if no such tag was found.
+  // The tag may specify several languages, the first one is returned.
+  // Example of such meta-tag:
+  // <meta http-equiv="content-language" content="en, fr">
+  static std::string GetPageLanguageFromMetaTag(WebKit::WebDocument* document);
+
  protected:
   // The following methods are protected so they can be overridden in
   // unit-tests.