Add Copy URL option to Omnibox context menu when URL is replaced by Instant Extended.

chrome/app/generated_resources.grd

Index: chrome/app/generated_resources.grd
diff --git a/chrome/app/generated_resources.grd b/chrome/app/generated_resources.grd
index 36855861f15b39ed73f49cc52a5b0ff617bbfd6c..f0190440a8642ee5358e6e6c860a02fbba5bee10 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -6744,6 +6744,9 @@ Keep your key file in a safe place. You will need it to create new versions of y
 
       <!-- Omnibox -->
       <if expr="not pp_ifdef('use_titlecase')">
+        <message name="IDS_COPY_URL" desc="The copy url menu option in context menu">
+          Copy URL
+        </message>
         <message name="IDS_PASTE_AND_GO" desc="The text label of the Paste And Go menu item when the clipboard contains a URL">
           Pa&amp;ste and go
         </message>
@@ -6752,6 +6755,9 @@ Keep your key file in a safe place. You will need it to create new versions of y
         </message>
       </if>
       <if expr="pp_ifdef('use_titlecase')">
+        <message name="IDS_COPY_URL" desc="In Title Case: The copy url menu option in context menu">
+          Copy URL
+        </message>
         <message name="IDS_PASTE_AND_GO" desc="In Title Case: The text label of the Paste And Go menu item when the clipboard contains a URL">
           Pa&amp;ste and Go
         </message>
@@ -13161,6 +13167,9 @@ Some features may be unavailable.  Please check that the profile exists and you
         <message name="IDS_COPY_MAC" desc="The Mac menu item for copy in the edit menu.">
           Copy
         </message>
+        <message name="IDS_COPY_URL_MAC" desc="The Mac menu item for copy url in the context menu.">
+          Copy URL
+        </message>
         <message name="IDS_PASTE_MAC" desc="The Mac menu item for paste in the edit menu.">
           Paste
         </message>