Use internal pdf plugin with --internal-pdf

chrome/renderer/render_process_impl.cc

 // Copyright (c) 2010 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 "build/build_config.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #include <objidl.h>
 #include <mlang.h>
@@ skipping 15 matching lines @@
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/common/nacl_types.h"
 #include "chrome/renderer/render_view.h"
 #include "ipc/ipc_channel.h"
 #include "ipc/ipc_message_utils.h"
 #include "media/base/media.h"
 #include "media/base/media_switches.h"
 #include "native_client/src/trusted/plugin/nacl_entry_points.h"
+#include "webkit/glue/plugins/plugin_instance.h"
+#include "webkit/glue/plugins/plugin_lib.h"
 #include "webkit/glue/webkit_glue.h"
 
 #if defined(OS_MACOSX)
 #include "base/mac_util.h"
 #endif
 
 namespace {
 
 bool LaunchNaClProcess(const char* url,
                        int imc_fd,
@@ skipping 86 matching lines @@
   initialized_media_library_ =
       PathService::Get(base::DIR_MODULE, &module_path) &&
       media::InitializeMediaLibrary(module_path);
 
   // TODO(hclam): Add more checks here. Currently this is not used.
   if (CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnableOpenMax)) {
     media::InitializeOpenMaxLibrary(module_path);
   }
 #endif
+
+  // Load the pdf plugin before the sandbox is turned on.
+  FilePath pdf;
+  if (PathService::Get(chrome::FILE_PDF_PLUGIN, &pdf)) {
+    static scoped_refptr<NPAPI::PluginLib> pdf_lib =
+        NPAPI::PluginLib::CreatePluginLib(pdf);
+    // Actually load the plugin.
+    pdf_lib->NP_Initialize();
+    // Keep an instance around to prevent the plugin unloading after a pdf is
+    // closed.
+    // Don't use scoped_ptr here because then get asserts on process shut down
+    // when running in --single-process.
+    static NPAPI::PluginInstance* instance = pdf_lib->CreateInstance("");
+    instance->plugin_lib();  // Quiet unused variable warnings in gcc.
+  }
 }
 
 RenderProcessImpl::~RenderProcessImpl() {
   // TODO(port): Try and limit what we pull in for our non-Win unit test bundle.
 #ifndef NDEBUG
   // log important leaked objects
   webkit_glue::CheckForLeaks();
 #endif
 
   GetShutDownEvent()->Signal();
@@ skipping 149 matching lines @@
 }
 
 void RenderProcessImpl::ClearTransportDIBCache() {
   for (size_t i = 0; i < arraysize(shared_mem_cache_); ++i) {
     if (shared_mem_cache_[i]) {
       FreeTransportDIB(shared_mem_cache_[i]);
       shared_mem_cache_[i] = NULL;
     }
   }
 }