Tests for "Save Image As..." when Data Saver is enabled.

content/test/test_web_contents.h

Index: content/test/test_web_contents.h
diff --git a/content/test/test_web_contents.h b/content/test/test_web_contents.h
index 632d57f5fd184cf0c569d4fc7e462ebb32afad80..42e011c6cf138d6bcc231a3b2099bea6d82e08bc 100644
--- a/content/test/test_web_contents.h
+++ b/content/test/test_web_contents.h
@@ -51,6 +51,7 @@ class TestWebContents : public WebContentsImpl, public WebContentsTester {
                                    const GURL& url,
                                    const Referrer& referrer,
                                    ui::PageTransition transition) override;
+  const std::string& GetSaveFrameHeaders() override;
 
   // True if a cross-site navigation is pending.
   bool CrossProcessNavigationPending();
@@ -116,6 +117,9 @@ class TestWebContents : public WebContentsImpl, public WebContentsTester {
                          bool user_gesture) override;
   void ShowCreatedWidget(int route_id, const gfx::Rect& initial_rect) override;
   void ShowCreatedFullscreenWidget(int route_id) override;
+  void SaveFrameWithHeaders(const GURL& url,
+                            const Referrer& referrer,
+                            const std::string& headers) override;
 
   RenderViewHostDelegateView* delegate_view_override_;
 
@@ -123,6 +127,7 @@ class TestWebContents : public WebContentsImpl, public WebContentsTester {
   bool expect_set_history_offset_and_length_;
   int expect_set_history_offset_and_length_history_offset_;
   int expect_set_history_offset_and_length_history_length_;
+  std::string save_frame_headers_;
 };
 
 }  // namespace content