Remove iOS ifdefs in src/content.

content/renderer/render_view_impl.cc

 // Copyright (c) 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 "content/renderer/render_view_impl.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/auto_reset.h"
@@ skipping 1525 matching lines @@
       frame->SendUpdateState();
   }
   frames_with_pending_state_.clear();
 }
 
 void RenderViewImpl::ApplyWebPreferencesInternal(
     const WebPreferences& prefs,
     blink::WebView* web_view,
     CompositorDependencies* compositor_deps) {
   ApplyWebPreferences(prefs, web_view);
-#if defined(OS_MACOSX) && !defined(OS_IOS)
+#if defined(OS_MACOSX)
   DCHECK(compositor_deps);
   bool is_elastic_overscroll_enabled =
       compositor_deps->IsElasticOverscrollEnabled();
   web_view->settings()->setReportWheelOverscroll(is_elastic_overscroll_enabled);
 #endif
 }
 
 bool RenderViewImpl::SendAndRunNestedMessageLoop(IPC::SyncMessage* message) {
   // Before WebKit asks us to show an alert (etc.), it takes care of doing the
   // equivalent of WebView::willEnterModalLoop.  In the case of showModalDialog
@@ skipping 559 matching lines @@
 #endif
 }
 
 void RenderViewImpl::initializeLayerTreeView() {
   RenderWidget::initializeLayerTreeView();
   RenderWidgetCompositor* rwc = compositor();
   if (!rwc)
     return;
 
   bool use_threaded_event_handling = true;
-#if defined(OS_MACOSX) && !defined(OS_IOS)
+#if defined(OS_MACOSX)
   // Disable threaded event handling if content is not handling the elastic
   // overscroll effect. This includes the cases where the elastic overscroll
   // effect is being handled by Blink (because of command line flags) and older
   // operating system versions which do not have an elastic overscroll effect
   // (SnowLeopard, which has Aqua scrollbars which need synchronous updates).
   use_threaded_event_handling = compositor_deps_->IsElasticOverscrollEnabled();
 #endif
   if (use_threaded_event_handling) {
     RenderThreadImpl* render_thread = RenderThreadImpl::current();
     // render_thread may be NULL in tests.
@@ skipping 1387 matching lines @@
   if (IsUseZoomForDSFEnabled()) {
     webview()->setZoomFactorForDeviceScaleFactor(device_scale_factor_);
   } else {
     webview()->setDeviceScaleFactor(device_scale_factor_);
   }
   webview()->settings()->setPreferCompositingToLCDTextEnabled(
       PreferCompositingToLCDText(compositor_deps_, device_scale_factor_));
 }
 
 }  // namespace content