Implement web app definition parsing.

chrome/browser/renderer_host/render_view_host_delegate.h

Index: chrome/browser/renderer_host/render_view_host_delegate.h
diff --git a/chrome/browser/renderer_host/render_view_host_delegate.h b/chrome/browser/renderer_host/render_view_host_delegate.h
index 020fadcca0465e13f784a3706e35cc71662e67ca..767b214e602b2b007eff40dec1a8e3b790fcb6de 100644
--- a/chrome/browser/renderer_host/render_view_host_delegate.h
+++ b/chrome/browser/renderer_host/render_view_host_delegate.h
@@ -50,6 +50,7 @@ struct ViewHostMsg_DomMessage_Params;
 struct ViewHostMsg_FrameNavigate_Params;
 struct ViewHostMsg_PageHasOSDD_Type;
 struct ViewHostMsg_RunFileChooser_Params;
+struct WebApplicationInfo;
 struct WebDropData;
 struct WebMenuItem;
 class WebKeyboardEvent;
@@ -73,7 +74,6 @@ namespace webkit_glue {
 struct FormData;
 class FormField;
 struct PasswordForm;
-struct WebApplicationInfo;
 }
 
 //
@@ -280,10 +280,11 @@ class RenderViewHostDelegate {
     virtual void OnDisabledOutdatedPlugin(const string16& name,
                                           const GURL& update_url) = 0;
 
-    // Notification that a request for install info has completed.
+    // Notification that a user's request to install an application has
+    // completed.
     virtual void OnDidGetApplicationInfo(
         int32 page_id,
-        const webkit_glue::WebApplicationInfo& app_info) = 0;
+        const WebApplicationInfo& app_info) = 0;
 
     // Notification that the contents of the page has been loaded.
     virtual void OnPageContents(const GURL& url,