Only generate suggested filenames when actually dragging an image.

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 bb0f21a27e4330d8d2f32babff8629a352219ec5..fe72dc832e55a0f32c44fbd6469dcde53bc6f261 100644
--- a/third_party/WebKit/Source/platform/network/ResourceResponse.h
+++ b/third_party/WebKit/Source/platform/network/ResourceResponse.h
@@ -138,8 +138,7 @@ class PLATFORM_EXPORT ResourceResponse final {
   ResourceResponse(const KURL&,
                    const AtomicString& mimeType,
                    long long expectedLength,
-                   const AtomicString& textEncodingName,
-                   const String& filename);
+                   const AtomicString& textEncodingName);
   ResourceResponse(const ResourceResponse&);
   ResourceResponse& operator=(const ResourceResponse&);
 
@@ -173,13 +172,6 @@ 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);
 
@@ -397,7 +389,6 @@ 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;
@@ -545,7 +536,6 @@ 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;