Add flag to enable web content to invoke web intents.

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 ff6568abce1431256274454d16a778c2b18e5cb5..5d70696bf9afcc1ce87cc01e9726984801e07c33 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -5820,6 +5820,12 @@ Keep your key file in a safe place. You will need it to create new versions of y
       <message name="IDS_FLAGS_SAVE_PAGE_AS_MHTML_DESCRIPTION" desc="Description of the 'Save Page as MHTML' lab.">
         Disables saving pages as HTML-only or HTML Complete; enables saving pages only as MHTML: a single text file containing HTML and all sub-resources.
       </message>
+      <message name="IDS_FLAGS_WEB_INTENTS_INVOCATION_ENABLED_NAME" desc="Name of the lab to enable web intents invocation for web content.">
+        Enable web intents invocation for web content
+      </message>
+      <message name="IDS_FLAGS_WEB_INTENTS_INVOCATION_ENABLED_DESCRIPTION" desc="Description of the lab to enable web intents invocation for web content.">
+        Make it possible for any web page to invoke web intents.
+      </message>
       <message name="IDS_FLAGS_XSS_AUDITOR_NAME" desc="Description of the 'XSS Auditor' lab.">
         XSS Auditor
       </message>