Add NaCl support to app_shell

extensions/shell/common/shell_content_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 "extensions/shell/common/shell_content_client.h"
 
 #include "base/strings/string_piece.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/public/common/user_agent.h"
 #include "extensions/common/constants.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 
+#if !defined(DISABLE_NACL)
+#include "base/base_paths.h"
+#include "base/files/file_path.h"
+#include "base/path_service.h"
+#include "content/public/common/pepper_plugin_info.h"
+#include "ppapi/native_client/src/trusted/plugin/ppapi_entrypoints.h"
+#include "ppapi/shared_impl/ppapi_permissions.h"
+#endif
+
 namespace extensions {
+namespace {
+
+// TODO(jamescook): Should these be shared with ChromeContentClient? They are
+// too specific for the ppapi module and not really part of the extensions
+// module. Perhaps they should live in components/nacl.

[teravest, 2014/08/12 15:48:32]

components/nacl is probably a better place for this stuff.

[James Cook, 2014/08/12 18:17:06]

Moved into components/nacl/common and updated all the src/chrome references to
these constants (and copies of the same data).

+#if !defined(DISABLE_NACL)
+const char kNaClPluginName[] = "Native Client";
+
+const char kNaClPluginMimeType[] = "application/x-nacl";
+const char kNaClPluginExtension[] = "";
+const char kNaClPluginDescription[] = "Native Client Executable";
+const uint32 kNaClPluginPermissions = ppapi::PERMISSION_PRIVATE |
+                                      ppapi::PERMISSION_DEV;
+
+const char kPnaclPluginMimeType[] = "application/x-pnacl";
+const char kPnaclPluginExtension[] = "";
+const char kPnaclPluginDescription[] = "Portable Native Client Executable";
+
+const base::FilePath::CharType kInternalNaClPluginFileName[] =
+    FILE_PATH_LITERAL("internal-nacl-plugin");
+
+bool GetNaClPluginPath(base::FilePath* path) {
+  // On Posix, plugins live in the module directory.
+  base::FilePath module;
+  if (!PathService::Get(base::DIR_MODULE, &module))
+    return false;
+  *path = module.Append(kInternalNaClPluginFileName);
+  return true;
+}
+#endif  // !defined(DISABLE_NACL)
+
+}  // namespace
 
 ShellContentClient::ShellContentClient() {
 }
 
 ShellContentClient::~ShellContentClient() {
 }
 
+void ShellContentClient::AddPepperPlugins(
+    std::vector<content::PepperPluginInfo>* plugins) {
+#if !defined(DISABLE_NACL)
+  base::FilePath path;
+  if (!GetNaClPluginPath(&path))
+    return;
+
+  content::PepperPluginInfo nacl;
+  // The nacl plugin is now built into the binary.
+  nacl.is_internal = true;
+  nacl.path = path;
+  nacl.name = kNaClPluginName;
+  content::WebPluginMimeType nacl_mime_type(kNaClPluginMimeType,
+                                            kNaClPluginExtension,
+                                            kNaClPluginDescription);
+  nacl.mime_types.push_back(nacl_mime_type);
+  content::WebPluginMimeType pnacl_mime_type(kPnaclPluginMimeType,
+                                             kPnaclPluginExtension,
+                                             kPnaclPluginDescription);
+  nacl.mime_types.push_back(pnacl_mime_type);
+  nacl.internal_entry_points.get_interface = nacl_plugin::PPP_GetInterface;
+  nacl.internal_entry_points.initialize_module =
+      nacl_plugin::PPP_InitializeModule;
+  nacl.internal_entry_points.shutdown_module =
+      nacl_plugin::PPP_ShutdownModule;
+  nacl.permissions = kNaClPluginPermissions;
+  plugins->push_back(nacl);
+#endif  // !defined(DISABLE_NACL)
+}
+
 void ShellContentClient::AddAdditionalSchemes(
     std::vector<std::string>* standard_schemes,
     std::vector<std::string>* savable_schemes) {
   standard_schemes->push_back(kExtensionScheme);
   savable_schemes->push_back(kExtensionScheme);
   standard_schemes->push_back(kExtensionResourceScheme);
   savable_schemes->push_back(kExtensionResourceScheme);
 }
 
 std::string ShellContentClient::GetUserAgent() const {
@@ skipping 16 matching lines @@
 base::RefCountedStaticMemory* ShellContentClient::GetDataResourceBytes(
     int resource_id) const {
   return ResourceBundle::GetSharedInstance().LoadDataResourceBytes(resource_id);
 }
 
 gfx::Image& ShellContentClient::GetNativeImageNamed(int resource_id) const {
   return ResourceBundle::GetSharedInstance().GetNativeImageNamed(resource_id);
 }
 
 }  // namespace extensions