POSIX: re-enable strict aliasing

content/browser/renderer_host/render_widget_host_view_aura.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/browser/renderer_host/render_widget_host_view_aura.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
@@ skipping 2089 matching lines @@
     return;
 
   // ui::CompositionUnderline should be identical to
   // WebKit::WebCompositionUnderline, so that we can do reinterpret_cast safely.
   COMPILE_ASSERT(sizeof(ui::CompositionUnderline) ==
                  sizeof(WebKit::WebCompositionUnderline),
                  ui_CompositionUnderline__WebKit_WebCompositionUnderline_diff);
 
   // TODO(suzhe): convert both renderer_host and renderer to use
   // ui::CompositionText.
-  const std::vector<WebKit::WebCompositionUnderline>& underlines =
-      reinterpret_cast<const std::vector<WebKit::WebCompositionUnderline>&>(
-          composition.underlines);
+  const std::vector<WebKit::WebCompositionUnderline>* underlines =
+      bit_cast<const std::vector<WebKit::WebCompositionUnderline>*>(
+          &composition.underlines);
 
   // TODO(suzhe): due to a bug of webkit, we can't use selection range with
   // composition string. See: https://bugs.webkit.org/show_bug.cgi?id=37788
-  host_->ImeSetComposition(composition.text, underlines,
+  host_->ImeSetComposition(composition.text, *underlines,
                            composition.selection.end(),
                            composition.selection.end());
 
   has_composition_text_ = !composition.text.empty();
 }
 
 void RenderWidgetHostViewAura::ConfirmCompositionText() {
   if (host_ && has_composition_text_)
     host_->ImeConfirmComposition(string16(), ui::Range::InvalidRange(), false);
   has_composition_text_ = false;
@@ skipping 1114 matching lines @@
     RenderWidgetHost* widget) {
   return new RenderWidgetHostViewAura(widget);
 }
 
 // static
 void RenderWidgetHostViewPort::GetDefaultScreenInfo(WebScreenInfo* results) {
   GetScreenInfoForWindow(results, NULL);
 }
 
 }  // namespace content