Add referrer & load flag support to BitmapFetcher class.

chrome/browser/bitmap_fetcher.h

Index: chrome/browser/bitmap_fetcher.h
diff --git a/chrome/browser/bitmap_fetcher.h b/chrome/browser/bitmap_fetcher.h
index b468c038b8dc0162a32d1146d7da0fd2c545dfe6..207fa8c64640b6d2f30bc164d5948f4c8b2378fa 100644
--- a/chrome/browser/bitmap_fetcher.h
+++ b/chrome/browser/bitmap_fetcher.h
@@ -9,6 +9,7 @@
 #include "chrome/browser/bitmap_fetcher_delegate.h"
 #include "chrome/browser/image_decoder.h"
 #include "net/url_request/url_fetcher_delegate.h"
+#include "net/url_request/url_request.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "url/gurl.h"
 
@@ -35,6 +36,13 @@ class BitmapFetcher : public net::URLFetcherDelegate,
   // already in progress.
   void Start(net::URLRequestContextGetter* request_context);
 
+  // Same as the above Start function, but with additional arguments to
+  // configure |url_fetcher_|.
+  void Start(net::URLRequestContextGetter* request_context,

[sky, 2014/05/06 00:30:47]

Can you convert callers to this new function so there is only one start?

[Kibeom Kim (inactive), 2014/05/06 01:48:51]

Done.

+             const std::string& referrer,
+             net::URLRequest::ReferrerPolicy referrer_policy,
+             int load_flags);
+
   // Methods inherited from URLFetcherDelegate
 
   // This will be called when the URL has been fetched, successfully or not.
@@ -60,6 +68,11 @@ class BitmapFetcher : public net::URLFetcherDelegate,
   virtual void OnDecodeImageFailed(const ImageDecoder* decoder) OVERRIDE;
 
  private:
+  void Fetch(net::URLRequestContextGetter* request_context,
+             const std::string* referrer,
+             const net::URLRequest::ReferrerPolicy* referrer_policy,
+             const int* load_flags);
+
   // Alerts the delegate that a failure occurred.
   void ReportFailure();