Implement a basic PPAPI plugin for Blink layout tests.

content/shell/app/shell_main_delegate.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/shell/app/shell_main_delegate.h"
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 #include "base/cpu.h"
 #include "base/files/file.h"
 #include "base/files/file_path.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/path_service.h"
 #include "build/build_config.h"
 #include "cc/base/switches.h"
 #include "components/test_runner/blink_test_platform_support.h"
 #include "content/common/content_constants_internal.h"
 #include "content/public/browser/browser_main_runner.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/url_constants.h"
 #include "content/public/test/layouttest_support.h"
+#include "content/public/test/ppapi_test_utils.h"
 #include "content/shell/app/shell_crash_reporter_client.h"
 #include "content/shell/browser/layout_test/layout_test_browser_main.h"
 #include "content/shell/browser/layout_test/layout_test_content_browser_client.h"
 #include "content/shell/browser/shell_browser_main.h"
 #include "content/shell/browser/shell_content_browser_client.h"
 #include "content/shell/common/shell_switches.h"
 #include "content/shell/renderer/layout_test/layout_test_content_renderer_client.h"
 #include "content/shell/renderer/shell_content_renderer_client.h"
 #include "content/shell/utility/shell_content_utility_client.h"
 #include "media/base/media_switches.h"
@@ skipping 80 matching lines @@
 namespace content {
 
 ShellMainDelegate::ShellMainDelegate() {
 }
 
 ShellMainDelegate::~ShellMainDelegate() {
 }
 
 bool ShellMainDelegate::BasicStartupComplete(int* exit_code) {
   base::CommandLine& command_line = *base::CommandLine::ForCurrentProcess();
+  int dummy;
+  if (!exit_code)
+    exit_code = &dummy;
 
 #if defined(OS_WIN)
   // Enable trace control and transport through event tracing for Windows.
   logging::LogEventProvider::Initialize(kContentShellProviderName);
 
   v8_breakpad_support::SetUp();
 #endif
 #if defined(OS_MACOSX)
   // Needs to happen before InitializeResourceBundle() and before
   // BlinkTestPlatformInitialize() are called.
   OverrideFrameworkBundlePath();
   OverrideChildProcessPath();
   EnsureCorrectResolutionSettings();
 #endif  // OS_MACOSX
 
   InitLogging();
   if (command_line.HasSwitch(switches::kCheckLayoutTestSysDeps)) {
     // If CheckLayoutSystemDeps succeeds, we don't exit early. Instead we
     // continue and try to load the fonts in BlinkTestPlatformInitialize
     // below, and then try to bring up the rest of the content module.
     if (!test_runner::CheckLayoutSystemDeps()) {
-      if (exit_code)
-        *exit_code = 1;
+      *exit_code = 1;
       return true;
     }
   }
 
   if (command_line.HasSwitch(switches::kRunLayoutTest)) {
     EnableBrowserLayoutTestMode();
 
+#if defined(ENABLE_PLUGINS)
+    if (!ppapi::RegisterBlinkTestPlugin(&command_line)) {
+      *exit_code = 1;
+      return true;
+    }
+#endif
     command_line.AppendSwitch(switches::kProcessPerTab);
     command_line.AppendSwitch(switches::kEnableLogging);
     command_line.AppendSwitch(switches::kAllowFileAccessFromFiles);
     // only default to osmesa if the flag isn't already specified.
     if (!command_line.HasSwitch(switches::kUseGL)) {
       command_line.AppendSwitchASCII(switches::kUseGL,
                                      gfx::kGLImplementationOSMesaName);
     }
     command_line.AppendSwitch(switches::kSkipGpuDataLoading);
     command_line.AppendSwitchASCII(switches::kTouchEvents,
@@ skipping 28 matching lines @@
     command_line.AppendSwitchASCII(switches::kHostResolverRules,
                                    "MAP *.test 127.0.0.1");
 
     // Unless/until WebM files are added to the media layout tests, we need to
     // avoid removing MP4/H264/AAC so that layout tests can run on Android.
 #if !defined(OS_ANDROID)
     media::RemoveProprietaryMediaTypesAndCodecsForTests();
 #endif
 
     if (!test_runner::BlinkTestPlatformInitialize()) {
-      if (exit_code)
-        *exit_code = 1;
+      *exit_code = 1;
       return true;
     }
   }
   SetContentClient(&content_client_);
   return false;
 }
 
 void ShellMainDelegate::PreSandboxStartup() {
 #if defined(ARCH_CPU_ARM_FAMILY) && (defined(OS_ANDROID) || defined(OS_LINUX))
   // Create an instance of the CPU class to parse /proc/cpuinfo and cache
@@ skipping 130 matching lines @@
 
   return renderer_client_.get();
 }
 
 ContentUtilityClient* ShellMainDelegate::CreateContentUtilityClient() {
   utility_client_.reset(new ShellContentUtilityClient);
   return utility_client_.get();
 }
 
 }  // namespace content