webapps: allow callers of icon downloader/selector to specify a minimum size

chrome/browser/banners/app_banner_data_fetcher_browsertest.cc

 // Copyright 2015 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 "chrome/browser/banners/app_banner_data_fetcher.h"
 
 #include "base/command_line.h"
 #include "base/location.h"
 #include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 76 matching lines @@
 
  protected:
   void RunFetcher(const GURL& url,
                   const std::string& expected_non_web_platform,
                   ui::PageTransition transition,
                   bool expected_to_show) {
     content::WebContents* web_contents =
         browser()->tab_strip_model()->GetActiveWebContents();
     scoped_refptr<AppBannerDataFetcherDesktop> fetcher(
         new AppBannerDataFetcherDesktop(web_contents,
-                                        weak_factory_.GetWeakPtr(), 128));
+                                        weak_factory_.GetWeakPtr(),
+                                        128, 128));
 
     base::RunLoop run_loop;
     quit_closure_ = run_loop.QuitClosure();
     scoped_ptr<TestObserver> observer(new TestObserver(fetcher.get(),
                                                        run_loop.QuitClosure()));
     fetcher->Start(url, transition);
     run_loop.Run();
 
     EXPECT_EQ(expected_non_web_platform, non_web_platform_);
     EXPECT_EQ(expected_to_show, observer->will_show());
@@ skipping 228 matching lines @@
   RunBannerTest("/banners/prompt_in_handler_test_page.html",
                 ui::PAGE_TRANSITION_TYPED, 1, true);
 }
 
 IN_PROC_BROWSER_TEST_F(AppBannerDataFetcherBrowserTest, WebAppBannerInIFrame) {
   RunBannerTest("/banners/iframe_test_page.html", ui::PAGE_TRANSITION_TYPED, 1,
                 false);
 }
 
 }  // namespace banners