Add related_applications field to manifest parser.

content/public/common/manifest.h

Index: content/public/common/manifest.h
diff --git a/content/public/common/manifest.h b/content/public/common/manifest.h
index 95180e21f7330e07d44c77a322d1e5bfa6114d00..0edb6f18cf0879fade56aa0bcacabe6c624ff3a8 100644
--- a/content/public/common/manifest.h
+++ b/content/public/common/manifest.h
@@ -27,6 +27,12 @@ struct CONTENT_EXPORT Manifest {
     DISPLAY_MODE_BROWSER
   };
 
+  enum ChromeRelatedApplicationPlatform {
+    CHROME_RELATED_APPLICATION_PLATFORM_UNSPECIFIED,
+    CHROME_RELATED_APPLICATION_PLATFORM_ANDROID,
+    CHROME_RELATED_APPLICATION_PLATFORM_WEB,
+  };
+
   // Structure representing an icon as per the Manifest specification, see:
   // http://w3c.github.io/manifest/#dfn-icon-object
   struct CONTENT_EXPORT Icon {
@@ -54,6 +60,19 @@ struct CONTENT_EXPORT Manifest {
     static const double kDefaultDensity;
   };
 
+  // Structure representing a related application.
+  struct CONTENT_EXPORT ChromeRelatedApplication {
+    ChromeRelatedApplication();
+    ~ChromeRelatedApplication();
+
+    // The platform the application runs on.
+    ChromeRelatedApplicationPlatform platform;
+
+    // Platform specific key identifying the application. May not be present
+    // for some platforms (e.g. WEB).
+    base::NullableString16 id;
+  };
+
   Manifest();
   ~Manifest();
 
@@ -92,6 +111,10 @@ struct CONTENT_EXPORT Manifest {
   // False if parsing failed or the field was not present.
   bool gcm_user_visible_only;
 
+  // Empty if the parsing failed, the field was not present, empty or all the
+  // applications inside the array were invalid.
+  std::vector<ChromeRelatedApplication> chrome_related_applications;
+
   // Maximum length for all the strings inside the Manifest when it is sent over
   // IPC. The renderer process should truncate the strings before sending the
   // Manifest and the browser process must do the same when receiving it.