Compute ResourceResponse::suggestedFileName on the fly.

third_party/WebKit/Source/platform/network/ResourceResponse.h

Index: third_party/WebKit/Source/platform/network/ResourceResponse.h
diff --git a/third_party/WebKit/Source/platform/network/ResourceResponse.h b/third_party/WebKit/Source/platform/network/ResourceResponse.h
index 49324615967e23b69f5c00ee4cf26f10d9486fc1..1dd452e2742802cfef5dc9bedfc1fddda769dba4 100644
--- a/third_party/WebKit/Source/platform/network/ResourceResponse.h
+++ b/third_party/WebKit/Source/platform/network/ResourceResponse.h
@@ -156,13 +156,6 @@ class PLATFORM_EXPORT ResourceResponse final {
   const AtomicString& textEncodingName() const;
   void setTextEncodingName(const AtomicString&);
 
-  // FIXME: Should compute this on the fly.
-  // There should not be a setter exposed, as suggested file name is determined
-  // based on other headers in a manner that WebCore does not necessarily know
-  // about.
-  const String& suggestedFilename() const;
-  void setSuggestedFilename(const String&);
-
   int httpStatusCode() const;
   void setHTTPStatusCode(int);
 
@@ -366,7 +359,6 @@ class PLATFORM_EXPORT ResourceResponse final {
   AtomicString m_mimeType;
   long long m_expectedContentLength;
   AtomicString m_textEncodingName;
-  String m_suggestedFilename;
   int m_httpStatusCode;
   AtomicString m_httpStatusText;
   HTTPHeaderMap m_httpHeaderFields;
@@ -510,7 +502,6 @@ struct CrossThreadResourceResponseData {
   String m_mimeType;
   long long m_expectedContentLength;
   String m_textEncodingName;
-  String m_suggestedFilename;
   int m_httpStatusCode;
   String m_httpStatusText;
   std::unique_ptr<CrossThreadHTTPHeaderMapData> m_httpHeaders;