Fix message text for modal prompts when PermissionRequestManager enabled

chrome/browser/permissions/permission_request.h

 // Copyright 2014 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 CHROME_BROWSER_PERMISSIONS_PERMISSION_REQUEST_H_
 #define CHROME_BROWSER_PERMISSIONS_PERMISSION_REQUEST_H_
 
 #include "base/macros.h"
 #include "base/strings/string16.h"
 #include "components/content_settings/core/common/content_settings_types.h"
@@ skipping 58 matching lines @@
   // On desktop, we use a vector icon.
   typedef const gfx::VectorIcon& IconId;
 #endif
 
   PermissionRequest();
   virtual ~PermissionRequest() {}
 
   // The icon to use next to the message text fragment in the permission bubble.
   virtual IconId GetIconId() const = 0;
 
+  // Returns the full prompt text for this permission.

[raymes, 2017/05/29 04:48:27]

Can we make a note that this is only currently used for modal prompts on
Android? Should we #ifdef this for ANDROID only?

[Timothy Loh, 2017/05/30 05:02:34]

Done

+  virtual base::string16 GetMessageText() const = 0;
+
   // Returns the shortened prompt text for this permission.  Must be phrased
   // as a heading, e.g. "Location", or "Camera". The permission bubble may
   // coalesce different requests, and if it does, this text will be displayed
   // next to an image and indicate the user grants the permission.
   virtual base::string16 GetMessageTextFragment() const = 0;
 
   // Get the origin on whose behalf this permission request is being made.
   virtual GURL GetOrigin() const = 0;
 
   // Called when the user has granted the requested permission.
@@ skipping 34 matching lines @@
   bool persist() const { return persist_; }
 
  private:
   // Whether or not the response for this prompt should be persisted.
   bool persist_;
 
   DISALLOW_COPY_AND_ASSIGN(PermissionRequest);
 };
 
 #endif  // CHROME_BROWSER_PERMISSIONS_PERMISSION_REQUEST_H_