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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "base/bind.h"
      6 #include "content/public/browser/browser_context.h"
      7 #include "ui/views/examples/examples_window_with_content.h"
      8 #include "ui/views_content_client/views_content_client.h"
      9 
     10 #if defined(OS_WIN)
     11 #include "content/public/app/startup_helper_win.h"
     12 #include "sandbox/win/src/sandbox_types.h"
     13 #endif
     14 
     15 namespace {
     16 
     17 void ShowContentExampleWindow(content::BrowserContext* browser_context,
     18                               gfx::NativeWindow window_context) {
     19   views::examples::ShowExamplesWindowWithContent(views::examples::QUIT_ON_CLOSE,
     20                                                  browser_context,
     21                                                  window_context);
     22 
     23   // These lines serve no purpose other than to introduce an explicit content
     24   // dependency. If the main executable doesn't have this dependency, the linker
     25   // has more flexibility to reorder library dependencies in a shared component
     26   // build. On linux, this can cause libc to appear before libcontent in the
     27   // dlsym search path, which breaks (usually valid) assumptions made in
     28   // sandbox::InitLibcUrandomOverrides(). See http://crbug.com/374712.
     29   if (!browser_context) {
     30     content::BrowserContext::SaveSessionState(NULL);
     31     NOTREACHED();
     32   }
     33 }
     34 
     35 }  // namespace
     36 
     37 #if defined(OS_WIN)
     38 int APIENTRY wWinMain(HINSTANCE instance, HINSTANCE, wchar_t*, int) {
     39   sandbox::SandboxInterfaceInfo sandbox_info = {0};
     40   content::InitializeSandboxInfo(&sandbox_info);
     41   ui::ViewsContentClient views_content_client(instance, &sandbox_info);
     42 #else
     43 int main(int argc, const char** argv) {
     44   ui::ViewsContentClient views_content_client(argc, argv);
     45 #endif
     46 
     47   views_content_client.set_task(base::Bind(&ShowContentExampleWindow));
     48   return views_content_client.RunMain();
     49 }
     50