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 7a59b6a82effd69af7bdc65276308c23c32360ba..59052f9ad45503cd7439beaa00f95ebeb40f73df 100644
--- a/third_party/WebKit/public/web/WebPageSerializer.h
+++ b/third_party/WebKit/public/web/WebPageSerializer.h
@@ -63,6 +63,11 @@ public:
     BLINK_EXPORT static WebData generateMHTMLHeader(
         const WebString& boundary, WebLocalFrame*);
 
+    // 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.
     //
@@ -75,9 +80,13 @@ 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.
     //
@@ -92,7 +101,7 @@ public:
 
     // This function will serialize the specified frame to HTML data.
     // We have a data buffer to temporary saving generated html data. We will
-    // sequentially call WebPageSeriazlierClient once the data buffer is full.
+    // sequentially call WebPageSerializerClient once the data buffer is full.
     //
     // Return false means if no data has been serialized (i.e. because
     // the target frame didn't have a valid url).