Remove iOS ifdefs in src/content.

content/browser/renderer_host/render_widget_host_view_browsertest.cc

 // Copyright (c) 2013 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 <stdint.h>
 #include <utility>
 
 #include "base/barrier_closure.h"
 #include "base/command_line.h"
 #include "base/location.h"
@@ skipping 258 matching lines @@
     *storage = media::VideoFrame::CreateBlackFrame(gfx::Size(100, 100));
     *callback = callback_;
     callback_.Reset();
     return true;
   }
 
  private:
   DeliverFrameCallback callback_;
 };
 
-// Disable tests for Android and IOS as these platforms have incomplete
-// implementation.
-#if !defined(OS_ANDROID) && !defined(OS_IOS)
+// Disable tests for Android as it has an incomplete implementation.
+#if !defined(OS_ANDROID)
 
 // The CopyFromBackingStore() API should work on all platforms when compositing
 // is enabled.
 IN_PROC_BROWSER_TEST_P(CompositingRenderWidgetHostViewBrowserTest,
                        CopyFromBackingStore) {
   RunBasicCopyFromBackingStoreTest();
 }
 
 // Tests that the callback passed to CopyFromBackingStore is always called,
 // even when the RenderWidgetHost is deleting in the middle of an async copy.
@@ skipping 706 matching lines @@
                         CompositingRenderWidgetHostViewBrowserTest,
                         kTestCompositingModes);
 INSTANTIATE_TEST_CASE_P(GLAndSoftwareCompositing,
                         CompositingRenderWidgetHostViewBrowserTestTabCapture,
                         kTestCompositingModes);
 INSTANTIATE_TEST_CASE_P(
     GLAndSoftwareCompositing,
     CompositingRenderWidgetHostViewBrowserTestTabCaptureHighDPI,
     kTestCompositingModes);
 
-#endif  // !defined(OS_ANDROID) && !defined(OS_IOS)
+#endif  // !defined(OS_ANDROID)
 
 }  // namespace
 }  // namespace content