Implement "Copy image" for canvas (chromium side).

chrome/browser/renderer_context_menu/render_view_context_menu_browsertest.cc

Index: chrome/browser/renderer_context_menu/render_view_context_menu_browsertest.cc
diff --git a/chrome/browser/renderer_context_menu/render_view_context_menu_browsertest.cc b/chrome/browser/renderer_context_menu/render_view_context_menu_browsertest.cc
index f2958f09b583f1fd99382fc2e939e6e4ebe8bd8f..0a1679e66d10d58cced5847910c0a99464357221 100644
--- a/chrome/browser/renderer_context_menu/render_view_context_menu_browsertest.cc
+++ b/chrome/browser/renderer_context_menu/render_view_context_menu_browsertest.cc
@@ -77,7 +77,7 @@ IN_PROC_BROWSER_TEST_F(ContextMenuBrowserTest,
 }
 
 IN_PROC_BROWSER_TEST_F(ContextMenuBrowserTest,
-                       SaveAsImageForCanvas) {
+                       ContextMenuForCanvas) {
   content::ContextMenuParams params;
   params.media_type = blink::WebContextMenuData::MediaTypeCanvas;
 
@@ -87,6 +87,7 @@ IN_PROC_BROWSER_TEST_F(ContextMenuBrowserTest,
   menu.Init();
 
   ASSERT_TRUE(menu.IsItemPresent(IDC_CONTENT_CONTEXT_SAVEIMAGEAS));
+  ASSERT_TRUE(menu.IsItemPresent(IDC_CONTENT_CONTEXT_COPYIMAGE));
 }
 
 // Opens a link in a new tab via a "real" context menu.