Add share_target field to Manifest.

content/public/common/manifest.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 CONTENT_PUBLIC_COMMON_MANIFEST_H_
 #define CONTENT_PUBLIC_COMMON_MANIFEST_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 40 matching lines @@
     // Empty if the parsing failed, the field was not present or empty.
     // The special value "any" is represented by gfx::Size(0, 0).
     std::vector<gfx::Size> sizes;
 
     // Empty if the field was not present or not of type "string". Defaults to
     // a vector with a single value, IconPurpose::ANY, for all other parsing
     // exceptions.
     std::vector<IconPurpose> purpose;
   };
 
+  // Structure representing how a Web Share target handles an incoming share.
+  struct CONTENT_EXPORT ShareTarget {
+    ShareTarget();
+    ~ShareTarget();
+
+    bool is_null() const;
+
+    // The URL template that contains placeholders to be replaced with shared
+    // data. Null if the parsing failed.
+    base::NullableString16 url_template;
+  };
+
   // Structure representing a related application.
   struct CONTENT_EXPORT RelatedApplication {
     RelatedApplication();
     ~RelatedApplication();
 
     // The platform on which the application can be found. This can be any
     // string, and is interpreted by the consumer of the object. Empty if the
     // parsing failed.
     base::NullableString16 platform;
 
@@ skipping 29 matching lines @@
   blink::WebDisplayMode display;
 
   // Set to blink::WebScreenOrientationLockDefault if the parsing failed or the
   // field was not present.
   blink::WebScreenOrientationLockType orientation;
 
   // Empty if the parsing failed, the field was not present, empty or all the
   // icons inside the JSON array were invalid.
   std::vector<Icon> icons;
 
+  // Null if parsing failed or the field was not present.

[Matt Giuca, 2017/01/23 00:18:06]

Document that this field is non-standard and part of a Chrome experiment
(https://github.com/WICG/web-share-target/blob/master/docs/interface.md).

[mlamouri (slow - plz ping), 2017/01/23 00:22:26]

Could you say that this should not be exposed to web contents at the moment
because it's not part of the spec and add a TODO on you and mgiuca?

[constantina, 2017/01/23 02:51:36]

Done.

[constantina, 2017/01/23 02:51:36]

Done.

+  ShareTarget share_target;

[mlamouri (slow - plz ping), 2017/01/23 00:22:26]

Would it make sense to use base::optional<> here? I think it would be clearer
for the consumer of the API that there is no share_target instead of using
`is_null`.

[constantina, 2017/01/23 02:51:36]

Yes, it would. Done.

+
   // Empty if the parsing failed, the field was not present, empty or all the
   // applications inside the array were invalid. The order of the array
   // indicates the priority of the application to use.
   std::vector<RelatedApplication> related_applications;
 
   // A boolean that is used as a hint for the user agent to say that related
   // applications should be preferred over the web application. False if missing
   // or there is a parsing failure.
   bool prefer_related_applications;
 
@@ skipping 25 matching lines @@
   static const size_t kMaxIPCStringLength;
 
   // Constant representing an invalid color. Set to a value outside the
   // range of a 32-bit integer.
   static const int64_t kInvalidOrMissingColor;
 };
 
 } // namespace content
 
 #endif // CONTENT_PUBLIC_COMMON_MANIFEST_H_