Query the preferred readback config in CopyFromBackingStore

content/browser/browser_plugin/browser_plugin_host_browsertest.cc

 // Copyright 2012 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 "base/command_line.h"
 #include "base/memory/singleton.h"
 #include "base/run_loop.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 892 matching lines @@
   RenderWidgetHostImpl* guest_widget_host =
       RenderWidgetHostImpl::From(guest_contents->GetRenderViewHost());
 
   SkBitmap expected_bitmap;
   expected_bitmap.setConfig(SkBitmap::kARGB_8888_Config, 50, 60);
   expected_bitmap.allocPixels();
   expected_bitmap.eraseARGB(255, 255, 0, 0);  // #f00
   bool result = false;
   while (!result) {
     base::RunLoop loop;
-    guest_widget_host->CopyFromBackingStore(gfx::Rect(),
+    guest_widget_host->CopyFromBackingStore(
+        gfx::Rect(),
         guest_widget_host->GetView()->GetViewBounds().size(),
-        base::Bind(&CompareSkBitmapAndRun, loop.QuitClosure(), expected_bitmap,
-                   &result));
+        base::Bind(&CompareSkBitmapAndRun,
+                   loop.QuitClosure(),
+                   expected_bitmap,
+                   &result),
+        SkBitmap::kARGB_8888_Config);
     loop.Run();
   }
 }
 
 // This test exercises the following scenario:
 // 1. An <input> in guest has focus.
 // 2. User takes focus to embedder by clicking e.g. an <input> in embedder.
 // 3. User brings back the focus directly to the <input> in #1.
 //
 // Now we need to make sure TextInputTypeChange fires properly for the guest's
@@ skipping 146 matching lines @@
     scoped_ptr<base::Value> value =
         content::ExecuteScriptAndGetValue(
             guest_rvh, "document.getElementById('input1').value");
     std::string actual_value;
     ASSERT_TRUE(value->GetAsString(&actual_value));
     EXPECT_EQ(base::UTF16ToUTF8(expected_value), actual_value);
   }
 }
 
 }  // namespace content