OOPIFs: Deduplicating MHTML parts across frames.

content/browser/download/mhtml_generation_manager.h

Index: content/browser/download/mhtml_generation_manager.h
diff --git a/content/browser/download/mhtml_generation_manager.h b/content/browser/download/mhtml_generation_manager.h
index 1c0a51eb4ca32ee7caebcc5d282ac39669aa7865..0311f86b72ccfedff22be98d7b9723d8c361e744 100644
--- a/content/browser/download/mhtml_generation_manager.h
+++ b/content/browser/download/mhtml_generation_manager.h
@@ -6,11 +6,14 @@
 #define CONTENT_BROWSER_DOWNLOAD_MHTML_GENERATION_MANAGER_H_
 
 #include <map>
+#include <set>
+#include <string>
 
 #include "base/files/file.h"
 #include "base/memory/singleton.h"
 #include "base/process/process.h"
 #include "ipc/ipc_platform_file.h"
+#include "url/gurl.h"
 
 namespace base {
 class FilePath;
@@ -18,6 +21,7 @@ class FilePath;
 
 namespace content {
 
+class RenderFrameHostImpl;
 class WebContents;
 
 // The class and all of its members live on the UI thread.  Only static methods
@@ -39,8 +43,11 @@ class MHTMLGenerationManager {
 
   // Handler for FrameHostMsg_SerializeAsMHTMLResponse (a notification from the
   // renderer that the MHTML generation finished for a single frame).
-  void OnSavedFrameAsMHTML(int job_id,
-                           bool mhtml_generation_in_renderer_succeeded);
+  void OnSerializeAsMHTMLResponse(
+      RenderFrameHostImpl* sender,

[Łukasz Anforowicz, 2015/12/30 19:47:10]

Passing |RenderFrameHostImpl* sender| instead of |int
frame_tree_node_id_of_sender| to
MHTMLGenerationManager::OnSerializeAsMHTMLResponse.

+      int job_id,
+      bool mhtml_generation_in_renderer_succeeded,
+      const std::set<std::string>& digests_of_uris_of_serialized_resources);
 
  private:
   friend struct base::DefaultSingletonTraits<MHTMLGenerationManager>;