Include a role description string in node info for Android accessibility.

content/public/common/content_client.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_PUBLIC_COMMON_CONTENT_CLIENT_H_
 #define CONTENT_PUBLIC_COMMON_CONTENT_CLIENT_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 88 matching lines @@
   // of the form "productname/version", with no other slashes.
   // Used as part of the user agent string.
   virtual std::string GetProduct() const;
 
   // Returns the user agent.  Content may cache this value.
   virtual std::string GetUserAgent() const;
 
   // Returns a string resource given its id.
   virtual base::string16 GetLocalizedString(int message_id) const;
 
+  // Returns a string resource given its id, and additionally replace
+  // $0 with |string0| and $$ with $.
+  virtual base::string16 GetLocalizedStringF(
+      int message_id,
+      const base::string16& string0) const;

[David Tseng, 2016/02/02 18:38:57]

Is it worth it to make this take any number of string substitutions?

[dmazzoni, 2016/02/03 17:55:07]

Not sure, I'll ask the owners. I lean towards the YAGNI approach, i.e. don't
generalize until it's actually needed.

+
   // Return the contents of a resource in a StringPiece given the resource id.
   virtual base::StringPiece GetDataResource(
       int resource_id,
       ui::ScaleFactor scale_factor) const;
 
   // Returns the raw bytes of a scale independent data resource.
   virtual base::RefCountedStaticMemory* GetDataResourceBytes(
       int resource_id) const;
 
   // Returns a native image given its id.
@@ skipping 44 matching lines @@
   ContentPluginClient* plugin_;
   // The embedder API for participating in renderer logic.
   ContentRendererClient* renderer_;
   // The embedder API for participating in utility logic.
   ContentUtilityClient* utility_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_COMMON_CONTENT_CLIENT_H_