Replace Webstore link with app info dialog link in chrome://apps

chrome/browser/ui/apps/app_info_dialog.h

Index: chrome/browser/ui/apps/app_info_dialog.h
diff --git a/chrome/browser/ui/apps/app_info_dialog.h b/chrome/browser/ui/apps/app_info_dialog.h
index 35989485281d5affe94a9b4534f359d2a86dfef7..01045047f720d419e7f31a4823acf09730a25a85 100644
--- a/chrome/browser/ui/apps/app_info_dialog.h
+++ b/chrome/browser/ui/apps/app_info_dialog.h
@@ -26,6 +26,10 @@ enum AppInfoLaunchSource {
   NUM_LAUNCH_SOURCES,
 };
 
+// Approximate size of app list, used when opening the app info dialog in
+// a native window.
+gfx::Size GetApproximateAppListSize();
+
 // Shows the chrome app information as a frameless window for the given |app|
 // and |profile| at the given |app_list_bounds|. Appears 'inside' the app list.
 void ShowAppInfoInAppList(gfx::NativeWindow parent,