Implement "open link as user" context menu entry

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 13460ddda7927fc936f6e6af6953664b1302f903..e16d7a624d14d6d12c5ca86c17b864a4bbe7aeec 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -719,6 +719,12 @@ Psst! Incognito mode <ph name="SHORTCUT_KEY">$1<ex>(Ctrl+Shift+N)</ex></ph> may
           <message name="IDS_CONTENT_CONTEXT_OPENLINKOFFTHERECORD" desc="The name of the open a link in incognito window command">
             Open link in inco&amp;gnito window
           </message>
+          <message name="IDS_CONTENT_CONTEXT_OPENLINKINPROFILES" desc="The name of the open a link as a different user context menu">
+            Open link as...
+          </message>
+          <message name="IDS_CONTENT_CONTEXT_OPENLINKINPROFILE" desc="The name of the open a link as a different user command">
+            Open link as <ph name="USER">$1<ex>user@gmail.com</ex></ph>
+          </message>
 
           <message name="IDS_CONTENT_CONTEXT_SAVELINKAS" desc="The name of the Save Link As command in the content area context menu">
             Save lin&amp;k as...
@@ -925,6 +931,12 @@ Psst! Incognito mode <ph name="SHORTCUT_KEY">$1<ex>(Ctrl+Shift+N)</ex></ph> may
           <message name="IDS_CONTENT_CONTEXT_OPENLINKOFFTHERECORD" desc="In Title Case: The name of the open a link in incognito window command">
             Open Link in Inco&amp;gnito Window
           </message>
+          <message name="IDS_CONTENT_CONTEXT_OPENLINKINPROFILES" desc="In Title Case: The name of the open a link as a different user context menu">
+            Open Link as...
+          </message>
+          <message name="IDS_CONTENT_CONTEXT_OPENLINKINPROFILE" desc="In Title Case: The name of the open a link as a different user command">
+            Open Link as <ph name="USER">$1<ex>user@gmail.com</ex></ph>
+          </message>
 
           <message name="IDS_CONTENT_CONTEXT_SAVELINKAS" desc="In Title Case: The name of the Save Link As command in the content area context menu">
             Save Lin&amp;k As...