Implement a new process type for running PPAPI plugins. The process itself is

quite simple and just sets up the PPAPI dispatcher and loads the library.

There is a new command line switch --ppapi-out-of-process which runs PPAPI
plugins out of process using the new code path. There is some logic in
RenderView and PepperPluginModule for setting up this connection, but it should
be straightforward.

TEST=none
BUG=none
Review URL: http://codereview.chromium.org/3915002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@65614 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 44 insertions, 0 deletions

diff --git a/base/scoped_native_library.cc b/base/scoped_native_library.cc
new file mode 100644
index 0000000..9d34449
--- /dev/null
+++ b/base/scoped_native_library.cc
@@ -0,0 +1,44 @@
+// 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 "base/scoped_native_library.h"
+
+namespace base {
+
+ScopedNativeLibrary::ScopedNativeLibrary() : library_(NULL) {
+}
+
+ScopedNativeLibrary::ScopedNativeLibrary(NativeLibrary library)
+    : library_(library) {
+}
+
+ScopedNativeLibrary::ScopedNativeLibrary(const FilePath& library_path) {
+  library_ = base::LoadNativeLibrary(library_path);
+}
+
+ScopedNativeLibrary::~ScopedNativeLibrary() {
+  if (library_)
+    base::UnloadNativeLibrary(library_);
+}
+
+void* ScopedNativeLibrary::GetFunctionPointer(
+    const char* function_name) const {
+  if (!library_)
+    return NULL;
+  return base::GetFunctionPointerFromNativeLibrary(library_, function_name);
+}
+
+void ScopedNativeLibrary::Reset(NativeLibrary library) {
+  if (library_)
+    base::UnloadNativeLibrary(library_);
+  library_ = library;
+}
+
+NativeLibrary ScopedNativeLibrary::Release() {
+  NativeLibrary result = library_;
+  library_ = NULL;
+  return result;
+}
+
+}  // namespace base