Rename [Web]PageSerializer[Test|Client|Impl] to ...FrameSerializer...

content/browser/download/mhtml_generation_manager.cc

Index: content/browser/download/mhtml_generation_manager.cc
diff --git a/content/browser/download/mhtml_generation_manager.cc b/content/browser/download/mhtml_generation_manager.cc
index c1cad619876f93af377af034be4168d0af745131..accd940f05daa30cf9df0196f52a91cadd31eb63 100644
--- a/content/browser/download/mhtml_generation_manager.cc
+++ b/content/browser/download/mhtml_generation_manager.cc
@@ -97,7 +97,7 @@ class MHTMLGenerationManager::Job : public RenderProcessHostObserver {
   // The handle to the file the MHTML is saved to for the browser process.
   base::File browser_file_;
 
-  // Map from frames into content ids (see WebPageSerializer::generateMHTMLParts
+  // Map from frames to content ids (see WebFrameSerializer::generateMHTMLParts
   // for more details about what "content ids" are and how they are used).
   std::map<int, std::string> frame_tree_node_to_content_id_;