DevTools: account for the display scale factor while validating manifest under emulation.

chrome/browser/chrome_service_worker_browsertest.cc

 // 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.
 
 // This file tests that Service Workers (a Content feature) work in the Chromium
 // embedder.
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/scoped_temp_dir.h"
@@ skipping 255 matching lines @@
  private:
   void ExecuteJavaScriptForTests(const std::string& js) {
     browser()
         ->tab_strip_model()
         ->GetActiveWebContents()
         ->GetMainFrame()
         ->ExecuteJavaScriptForTests(base::ASCIIToUTF16(js));
   }
 
   std::string RequestAppBannerAndGetIssuedRequests() {
-    EXPECT_TRUE(browser()->RequestAppBanner(
-        browser()->tab_strip_model()->GetActiveWebContents()));
+    browser()->RequestAppBannerFromDevTools(
+        browser()->tab_strip_model()->GetActiveWebContents());
     return ExecuteScriptAndExtractString(
         "if (issuedRequests.length != 0) reportRequests();"
         "else reportOnFetch = true;");
   }
   DISALLOW_COPY_AND_ASSIGN(ChromeServiceWorkerManifestFetchTest);
 };
 
 IN_PROC_BROWSER_TEST_F(ChromeServiceWorkerManifestFetchTest, SameOrigin) {
   // <link rel="manifest" href="manifest.json">
   EXPECT_EQ(RequestString(GetURL("/manifest.json"), "cors", "same-origin"),
@@ skipping 204 matching lines @@
             ExecutePNACLUrlLoaderTest("OtherCredentials"));
 }
 
 IN_PROC_BROWSER_TEST_F(ChromeServiceWorkerFetchPPAPIPrivateTest,
                        OtherOriginCORSCredentials) {
   EXPECT_EQ(GetRequestStringForPNACL(),
             ExecutePNACLUrlLoaderTest("OtherCORSCredentials"));
 }
 
 }  // namespace