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>
 
 #include <vector>
 
+#include "base/optional.h"
 #include "base/strings/nullable_string16.h"
 #include "base/strings/string16.h"
 #include "content/common/content_export.h"
 #include "third_party/WebKit/public/platform/WebDisplayMode.h"
 #include "third_party/WebKit/public/platform/modules/screen_orientation/WebScreenOrientationLockType.h"
 #include "ui/gfx/geometry/size.h"
 #include "url/gurl.h"
 
 namespace content {
 
@@ skipping 28 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();
+
+    // 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.
+  // TODO(constantina): This field is non-standard and part of a Chrome
+  // experiment. See:
+  // https://github.com/WICG/web-share-target/blob/master/docs/interface.md
+  // As such, this field should not be exposed to web contents.
+  base::Optional<ShareTarget> share_target;
+
   // 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_