Revert of Moved logic for mapping child process FDs for ICU and V8 into child_process_launcher.cc

chromecast/browser/cast_content_browser_client.cc

 // Copyright 2014 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 "chromecast/browser/cast_content_browser_client.h"
 
 #include <string>
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 #include "base/files/scoped_file.h"
+#include "base/i18n/icu_util.h"
 #include "base/i18n/rtl.h"
 #include "base/path_service.h"
 #include "chromecast/base/cast_paths.h"
 #include "chromecast/base/chromecast_switches.h"
 #include "chromecast/browser/cast_browser_context.h"
 #include "chromecast/browser/cast_browser_main_parts.h"
 #include "chromecast/browser/cast_browser_process.h"
 #include "chromecast/browser/cast_network_delegate.h"
 #include "chromecast/browser/cast_quota_permission_context.h"
 #include "chromecast/browser/cast_resource_dispatcher_host_delegate.h"
 #include "chromecast/browser/geolocation/cast_access_token_store.h"
 #include "chromecast/browser/media/cma_message_filter_host.h"
 #include "chromecast/browser/url_request_context_factory.h"
 #include "chromecast/common/global_descriptors.h"
 #include "chromecast/media/cma/backend/media_pipeline_device.h"
 #include "components/crash/app/breakpad_linux.h"
 #include "components/crash/browser/crash_handler_host_linux.h"
 #include "components/network_hints/browser/network_hints_message_filter.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/certificate_request_result_type.h"
 #include "content/public/browser/client_certificate_delegate.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/resource_dispatcher_host.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/content_descriptors.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/url_constants.h"
 #include "content/public/common/web_preferences.h"
+#include "gin/v8_initializer.h"
 #include "media/audio/audio_manager_factory.h"
 #include "net/ssl/ssl_cert_request_info.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "ui/gl/gl_switches.h"
 
 #if defined(OS_ANDROID)
 #include "components/crash/browser/crash_dump_manager_android.h"
 #include "components/external_video_surface/browser/android/external_video_surface_container_impl.h"
 #endif  // defined(OS_ANDROID)
 
 namespace chromecast {
 namespace shell {
 
 CastContentBrowserClient::CastContentBrowserClient()
-    : url_request_context_factory_(new URLRequestContextFactory()) {
+    : v8_natives_fd_(-1),
+      v8_snapshot_fd_(-1),
+      url_request_context_factory_(new URLRequestContextFactory()) {
 }
 
 CastContentBrowserClient::~CastContentBrowserClient() {
   content::BrowserThread::DeleteSoon(
       content::BrowserThread::IO,
       FROM_HERE,
       url_request_context_factory_.release());
 }
 
 void CastContentBrowserClient::AppendExtraCommandLineSwitches(
@@ skipping 99 matching lines @@
   }
 
   if (scheme == url::kFileScheme) {
     return base::CommandLine::ForCurrentProcess()->HasSwitch(
         switches::kEnableLocalFileAccesses);
   }
 
   return false;
 }
 
+void CastContentBrowserClient::AppendMappedFileCommandLineSwitches(
+    base::CommandLine* command_line) {
+  std::string process_type =
+      command_line->GetSwitchValueNative(switches::kProcessType);
+
+#if defined(V8_USE_EXTERNAL_STARTUP_DATA)
+  if (process_type != switches::kZygoteProcess) {
+    DCHECK(natives_fd_exists());
+    command_line->AppendSwitch(::switches::kV8NativesPassedByFD);
+    if (snapshot_fd_exists())
+      command_line->AppendSwitch(::switches::kV8SnapshotPassedByFD);
+  }
+}
+
+#endif  // V8_USE_EXTERNAL_STARTUP_DATA
 void CastContentBrowserClient::AppendExtraCommandLineSwitches(
     base::CommandLine* command_line,
     int child_process_id) {
   std::string process_type =
       command_line->GetSwitchValueNative(switches::kProcessType);
   base::CommandLine* browser_command_line =
       base::CommandLine::ForCurrentProcess();
 
   // IsCrashReporterEnabled() is set when InitCrashReporter() is called, and
   // controlled by GetBreakpadClient()->EnableBreakpadForProcess(), therefore
@@ skipping 142 matching lines @@
     int opener_render_frame_id,
     bool* no_javascript_access) {
   *no_javascript_access = true;
   return false;
 }
 
 void CastContentBrowserClient::GetAdditionalMappedFilesForChildProcess(
     const base::CommandLine& command_line,
     int child_process_id,
     content::FileDescriptorInfo* mappings) {
+#if defined(V8_USE_EXTERNAL_STARTUP_DATA)
+  if (!natives_fd_exists()) {
+    int v8_natives_fd = -1;
+    int v8_snapshot_fd = -1;
+    if (gin::V8Initializer::OpenV8FilesForChildProcesses(&v8_natives_fd,
+                                                         &v8_snapshot_fd)) {
+      v8_natives_fd_.reset(v8_natives_fd);
+      v8_snapshot_fd_.reset(v8_snapshot_fd);
+    }
+  }
+  // V8 can't start up without the source of the natives, but it can
+  // start up (slower) without the snapshot.
+  DCHECK(natives_fd_exists());
+  mappings->Share(kV8NativesDataDescriptor, v8_natives_fd_.get());
+  mappings->Share(kV8SnapshotDataDescriptor, v8_snapshot_fd_.get());
+#endif  // V8_USE_EXTERNAL_STARTUP_DATA
 #if defined(OS_ANDROID)
   const int flags_open_read = base::File::FLAG_OPEN | base::File::FLAG_READ;
   base::FilePath pak_file_path;
   CHECK(PathService::Get(FILE_CAST_PAK, &pak_file_path));
   base::File pak_file(pak_file_path, flags_open_read);
   if (!pak_file.IsValid()) {
     NOTREACHED() << "Failed to open file when creating renderer process: "
                  << "cast_shell.pak";
   }
   mappings->Transfer(kAndroidPakDescriptor,
                      base::ScopedFD(pak_file.TakePlatformFile()));
 
   if (breakpad::IsCrashReporterEnabled()) {
     base::File minidump_file(
         breakpad::CrashDumpManager::GetInstance()->CreateMinidumpFile(
             child_process_id));
     if (!minidump_file.IsValid()) {
       LOG(ERROR) << "Failed to create file for minidump, crash reporting will "
                  << "be disabled for this process.";
     } else {
       mappings->Transfer(kAndroidMinidumpDescriptor,
                          base::ScopedFD(minidump_file.TakePlatformFile()));
     }
   }
+
+  base::FilePath app_data_path;
+  CHECK(PathService::Get(base::DIR_ANDROID_APP_DATA, &app_data_path));
+  base::FilePath icudata_path =
+      app_data_path.AppendASCII(base::i18n::kIcuDataFileName);
+  base::File icudata_file(icudata_path, flags_open_read);
+  if (!icudata_file.IsValid())
+    NOTREACHED() << "Failed to open ICU file when creating renderer process";
+  mappings->Transfer(kAndroidICUDataDescriptor,
+                     base::ScopedFD(icudata_file.TakePlatformFile()));
 #else
   int crash_signal_fd = GetCrashSignalFD(command_line);
   if (crash_signal_fd >= 0) {
     mappings->Share(kCrashDumpSignal, crash_signal_fd);
   }
 #endif  // defined(OS_ANDROID)
 }
 
 #if defined(OS_ANDROID) && defined(VIDEO_HOLE)
 content::ExternalVideoSurfaceContainer*
@@ skipping 38 matching lines @@
         process_type, dumps_path, false /* upload */);
   // StartUploaderThread() even though upload is diferred.
   // Breakpad-related memory is freed in the uploader thread.
   crash_handler->StartUploaderThread();
   return crash_handler;
 }
 #endif  // !defined(OS_ANDROID)
 
 }  // namespace shell
 }  // namespace chromecast