Fix "unreachable code" warnings (MSVC warning 4702) in content/.

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/auto_reset.h"
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/callback_helpers.h"
@@ skipping 689 matching lines @@
 }
 
 bool RenderWidgetHostViewAura::ShouldCreateResizeLock() {
   // On Windows while resizing, the the resize locks makes us mis-paint a white
   // vertical strip (including the non-client area) if the content composition
   // is lagging the UI composition. So here we disable the throttling so that
   // the UI bits can draw ahead of the content thereby reducing the amount of
   // whiteout. Because this causes the content to be drawn at wrong sizes while
   // resizing we compensate by blocking the UI thread in Compositor::Draw() by
   // issuing a FinishAllRendering() if we are resizing.
-#if defined (OS_WIN)
+#if defined(OS_WIN)
   return false;
-#endif
-
+#else
   if (resize_lock_)
     return false;
 
   if (host_->should_auto_resize())
     return false;
   if (!host_->is_accelerated_compositing_active())
     return false;
 
   gfx::Size desired_size = window_->bounds().size();
   if (desired_size == current_frame_size_)
     return false;
 
   aura::WindowTreeHost* host = window_->GetHost();
   if (!host)
     return false;
 
   ui::Compositor* compositor = host->compositor();
   if (!compositor)
     return false;
 
   return true;
+#endif
 }
 
 scoped_ptr<ResizeLock> RenderWidgetHostViewAura::CreateResizeLock(
     bool defer_compositor_lock) {
   gfx::Size desired_size = window_->bounds().size();
   return scoped_ptr<ResizeLock>(new CompositorResizeLock(
       window_->GetHost()->dispatcher(),
       desired_size,
       defer_compositor_lock,
       base::TimeDelta::FromMilliseconds(kResizeLockTimeoutMs)));
@@ skipping 2850 matching lines @@
     RenderWidgetHost* widget) {
   return new RenderWidgetHostViewAura(widget);
 }
 
 // static
 void RenderWidgetHostViewPort::GetDefaultScreenInfo(WebScreenInfo* results) {
   GetScreenInfoForWindow(results, NULL);
 }
 
 }  // namespace content