Add card details and legal message to Android save credit card infobar.

components/infobars/core/infobar_delegate.h

Index: components/infobars/core/infobar_delegate.h
diff --git a/components/infobars/core/infobar_delegate.h b/components/infobars/core/infobar_delegate.h
index 7508de872cb569ebab1153ac967846559b5e3cfe..d8ef0d8632ac94b5c13b8a2460fa097c90a10d24 100644
--- a/components/infobars/core/infobar_delegate.h
+++ b/components/infobars/core/infobar_delegate.h
@@ -5,10 +5,13 @@
 #ifndef COMPONENTS_INFOBARS_CORE_INFOBAR_DELEGATE_H_
 #define COMPONENTS_INFOBARS_CORE_INFOBAR_DELEGATE_H_
 
+#include <vector>
+
 #include "base/macros.h"
 #include "base/strings/string16.h"
 #include "build/build_config.h"
 #include "ui/base/window_open_disposition.h"
+#include "url/gurl.h"
 
 class ConfirmInfoBarDelegate;
 class HungRendererInfoBarDelegate;
@@ -73,6 +76,34 @@ class InfoBarDelegate {
     bool is_redirect;
   };
 
+  // Detailed information that should be shown in the content of the infobar.
+  struct Detail {
+    Detail();
+    ~Detail();
+
+    int icon_id;
+    base::string16 label;
+    base::string16 sub_label;
+  };
+
+  // Descriptive text that should be shown in the content of the infobar.
+  struct Description {

[Justin Donnelly, 2015/12/30 18:06:37]

If we keep this, how about FooterText as a, um, more *descriptive* name than
Description?

[please use gerrit instead, 2016/01/07 01:39:25]

Not keeping this.

+    Description();
+    ~Description();
+
+    struct Link {
+      Link();
+      ~Link();
+
+      size_t start;
+      size_t end;
+      GURL url;
+    };
+
+    base::string16 text;
+    std::vector<Link> links;
+  };
+
   // Value to use when the InfoBar has no icon to show.
   static const int kNoIconID;
 
@@ -103,6 +134,16 @@ class InfoBarDelegate {
   // resource bundle as its icon.
   virtual gfx::Image GetIcon() const;
 
+  // Returns the detailed information to be shown for this InfoBar. If the
+  // vector is empty, the details will not be shown. Not all platforms use this
+  // information.
+  virtual const std::vector<Detail>& GetDetails() const;
+
+  // Returns the descriptive text to be shown for this InfoBar. If the vector is
+  // empty, the description will not be shown. Not all platforms use this
+  // information.
+  virtual const std::vector<Description>& GetDescriptions() const;
+
   // Returns true if the supplied |delegate| is equal to this one. Equality is
   // left to the implementation to define. This function is called by the
   // InfoBarManager when determining whether or not a delegate should be
@@ -155,6 +196,9 @@ class InfoBarDelegate {
   // The ID of the active navigation entry at the time we became owned.
   int nav_entry_id_;
 
+  std::vector<Detail> empty_details_;
+  std::vector<Description> empty_descriptions_;
+
   DISALLOW_COPY_AND_ASSIGN(InfoBarDelegate);
 };