"Load image" context menu item to reload a LoFi image.

content/public/renderer/content_renderer_client.h

Index: content/public/renderer/content_renderer_client.h
diff --git a/content/public/renderer/content_renderer_client.h b/content/public/renderer/content_renderer_client.h
index e4e8f0371a84562d30df6f3989e8c3fb2e7f16a8..3b48f17b7c3389dcfee805293b91aeafcdc726c9 100644
--- a/content/public/renderer/content_renderer_client.h
+++ b/content/public/renderer/content_renderer_client.h
@@ -5,6 +5,7 @@
 #ifndef CONTENT_PUBLIC_RENDERER_CONTENT_RENDERER_CLIENT_H_
 #define CONTENT_PUBLIC_RENDERER_CONTENT_RENDERER_CLIENT_H_
 
+#include <map>
 #include <string>
 #include <vector>
 
@@ -46,6 +47,7 @@ class WebRTCPeerConnectionHandlerClient;
 class WebSpeechSynthesizer;
 class WebSpeechSynthesizerClient;
 class WebThemeEngine;
+class WebURLResponse;
 class WebURLRequest;
 class WebWorkerContentSettingsClientProxy;
 struct WebPluginParams;
@@ -300,6 +302,11 @@ class CONTENT_EXPORT ContentRendererClient {
   // Records a domain and registry of a url to a Rappor privacy-preserving
   // metric. See: https://www.chromium.org/developers/design-documents/rappor
   virtual void RecordRapporURL(const std::string& metric, const GURL& url) {}
+
+  // Gives the embedder a chance to add properties to the context menu.
+  virtual void AddContextMenuProperties(
+      const blink::WebURLResponse& response,
+      std::map<std::string, std::string>* properties) {}
 };
 
 }  // namespace content