Add a pref name for share targets, and store their manifest data.

chrome/browser/extensions/bookmark_app_helper.cc

Index: chrome/browser/extensions/bookmark_app_helper.cc
diff --git a/chrome/browser/extensions/bookmark_app_helper.cc b/chrome/browser/extensions/bookmark_app_helper.cc
index a70c1b294760af858479e5a0fa4d389438adb6c1..f9885fe9afa4ee499929878c5fa230851a6bb027 100644
--- a/chrome/browser/extensions/bookmark_app_helper.cc
+++ b/chrome/browser/extensions/bookmark_app_helper.cc
@@ -28,8 +28,10 @@
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/web_applications/web_app.h"
+#include "chrome/browser/webshare/share_target_pref_helper.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/extensions/manifest_handlers/app_launch_info.h"
+#include "chrome/common/origin_trials/chrome_origin_trial_policy.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/grit/platform_locale_settings.h"
 #include "components/prefs/pref_service.h"
@@ -583,6 +585,20 @@ void BookmarkAppHelper::OnDidGetManifest(const GURL& manifest_url,
 
   UpdateWebAppInfoFromManifest(manifest, &web_app_info_);
 
+  if (!ChromeOriginTrialPolicy().IsFeatureDisabled("WebShare")) {
+    std::string manifest_url_string = manifest_url.spec();

[Matt Giuca, 2017/01/25 00:25:53]

This can be a const std::string& (since GURL::spec() returns a reference).

[constantina, 2017/01/25 03:18:27]

Done.

+
+    base::Optional<std::string> url_template;
+    if (manifest.share_target.has_value() &&
+        !manifest.share_target.value().url_template.is_null()) {
+      url_template = base::Optional<std::string>(base::UTF16ToUTF8(
+          manifest.share_target.value().url_template.string()));
+    }
+
+    AddShareTargetToPrefs(manifest_url_string, std::move(url_template),
+                          profile_->GetPrefs());
+  }
+
   // Add urls from the WebApplicationInfo.
   std::vector<GURL> web_app_info_icon_urls;
   for (std::vector<WebApplicationInfo::IconInfo>::const_iterator it =