OOPIFs: Deduplicating MHTML parts across frames.

third_party/WebKit/public/web/WebPageSerializer.h

Index: third_party/WebKit/public/web/WebPageSerializer.h
diff --git a/third_party/WebKit/public/web/WebPageSerializer.h b/third_party/WebKit/public/web/WebPageSerializer.h
index d5264caa051c4c5fb2d62aae11dbebfc16f98c17..632dd13bd854d28c50a2b7607d12dc7d5ac4d9bb 100644
--- a/third_party/WebKit/public/web/WebPageSerializer.h
+++ b/third_party/WebKit/public/web/WebPageSerializer.h
@@ -66,6 +66,11 @@ public:
     BLINK_EXPORT static WebData generateMHTMLHeader(
         const WebString& boundary, WebLocalFrame* topLevelFrame);
 
+    // Enumerates and returns URLs of MHTML resources that would be generated
+    // for the given frame by generateMHTMLParts.
+    BLINK_EXPORT static WebVector<WebURL> enumerateMHTMLResources(
+        WebLocalFrame*);
+
     // Generates and returns MHTML parts for the given frame and all the
     // savable resources underneath.
     //
@@ -78,9 +83,13 @@ public:
     // See rfc2557 - section 8.3 - "Use of the Content-ID header and CID URLs".
     // Format note - |frameToContentID| should contain strings of the form
     // "<foo@bar.com>" (i.e. the strings should include the angle brackets).
+    //
+    // |resourcesToSkip| specifies which resources to skip (this skipping
+    // is not applied to the uri of the frame being serialized).
     BLINK_EXPORT static WebData generateMHTMLParts(
         const WebString& boundary, WebLocalFrame*, bool useBinaryEncoding,
-        const WebVector<std::pair<WebFrame*, WebString>>& frameToContentID);
+        const WebVector<std::pair<WebFrame*, WebString>>& frameToContentID,
+        const WebVector<WebURL>& resourcesToSkip);
 
     // Generates and returns an MHTML footer.
     //