Add picker view for Web Share Target.

chrome/browser/webshare/share_service_impl_unittest.cc

 // Copyright 2016 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.
 
 #include <memory>
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/run_loop.h"
 #include "chrome/browser/webshare/share_service_impl.h"
@@ skipping 14 matching lines @@
   static ShareServiceTestImpl* Create(
       blink::mojom::ShareServiceRequest request) {
     std::unique_ptr<ShareServiceTestImpl> share_service_helper =
         base::MakeUnique<ShareServiceTestImpl>();
     ShareServiceTestImpl* share_service_helper_raw = share_service_helper.get();
     mojo::MakeStrongBinding(std::move(share_service_helper),
                             std::move(request));
     return share_service_helper_raw;
   }
 
+  void set_picker_result(SharePickerResult result) {
+    picker_result_ = result;
+  }
+
   const std::string& GetLastUsedTargetURL() { return last_used_target_url_; }
 
  private:
+  SharePickerResult picker_result_ = SharePickerResult::SHARE;
   std::string last_used_target_url_;
 
+  void ShowPickerDialog(
+      const std::vector<base::string16>& targets,
+      const base::Callback<void(SharePickerResult)>& callback) override {
+    callback.Run(picker_result_);
+  }
+
   void OpenTargetURL(const GURL& target_url) override {
     last_used_target_url_ = target_url.spec();
   }
 };
 
 class ShareServiceImplUnittest : public ChromeRenderViewHostTestHarness {
  public:
   ShareServiceImplUnittest() = default;
   ~ShareServiceImplUnittest() override = default;
 
@@ skipping 38 matching lines @@
                  expected_url, base::Optional<std::string>());
 
   base::RunLoop run_loop;
   on_callback_ = run_loop.QuitClosure();
 
   share_service_->Share(kTitle, kText, url, callback);
 
   run_loop.Run();
 }
 
+// Tests the result of cancelling the share in the picker UI.
+TEST_F(ShareServiceImplUnittest, ShareCancel) {
+  // Ask that the dialog be cancelled.
+  share_service_helper_->set_picker_result(SharePickerResult::CANCEL);
+
+  // Expect an error message in response.
+  base::Callback<void(const base::Optional<std::string>&)> callback =
+      base::Bind(&ShareServiceImplUnittest::DidShare, base::Unretained(this),
+                 std::string(),
+                 base::Optional<std::string>("Share was cancelled"));
+
+  base::RunLoop run_loop;
+  on_callback_ = run_loop.QuitClosure();
+
+  const GURL url(kUrlSpec);
+  share_service_->Share(kTitle, kText, url, callback);
+
+  run_loop.Run();
+}
+
 // Replace various numbers of placeholders in various orders. Placeholders are
 // adjacent to eachother; there are no padding characters.
 TEST_F(ShareServiceImplUnittest, ReplacePlaceholders) {
   const GURL url(kUrlSpec);
   std::string url_template_filled;
   bool succeeded;
 
   // No placeholders
   std::string url_template = "blank";
   succeeded = ShareServiceImpl::ReplacePlaceholders(url_template, kTitle, kText,
@@ skipping 183 matching lines @@
   EXPECT_TRUE(succeeded);
   EXPECT_EQ("%C3%A9", url_template_filled);
 
   // U+1F4A9
   url_template = "{title}";
   succeeded = ShareServiceImpl::ReplacePlaceholders(
       url_template, "\xf0\x9f\x92\xa9", kText, url, &url_template_filled);
   EXPECT_TRUE(succeeded);
   EXPECT_EQ("%F0%9F%92%A9", url_template_filled);
 }