Proof of concept implementation of context based history filtering.

chrome/browser/renderer_context_menu/render_view_context_menu.cc

Index: chrome/browser/renderer_context_menu/render_view_context_menu.cc
diff --git a/chrome/browser/renderer_context_menu/render_view_context_menu.cc b/chrome/browser/renderer_context_menu/render_view_context_menu.cc
index 6946015097b93dacbf13a47ebc89046237c42918..a265a06c32ce24a7b50e45df31fcdd7fc51b99ef 100644
--- a/chrome/browser/renderer_context_menu/render_view_context_menu.cc
+++ b/chrome/browser/renderer_context_menu/render_view_context_menu.cc
@@ -1383,6 +1383,7 @@ void RenderViewContextMenu::ExecuteCommand(int id, int event_flags) {
 
     case IDC_CONTENT_CONTEXT_SAVEAVAS:
     case IDC_CONTENT_CONTEXT_SAVEIMAGEAS: {
+      embedder_web_contents_->SaveImage();
       bool is_large_data_url = params_.has_image_contents &&
           params_.src_url.is_empty();
       if (params_.media_type == WebContextMenuData::MediaTypeCanvas ||
@@ -1538,6 +1539,7 @@ void RenderViewContextMenu::ExecuteCommand(int id, int event_flags) {
     }
 
     case IDC_PRINT: {
+      embedder_web_contents_->Print();
 #if defined(ENABLE_PRINTING)
       if (params_.media_type != WebContextMenuData::MediaTypeNone) {
         if (render_frame_host) {