Implement out-of-process proxy for PPB_Buffer_Dev.

BUG=85427,85441
TEST=./ninja/ui_tests --gtest_filter=*PPAPITest.Buffer

Review URL: http://codereview.chromium.org/7108051

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@88630 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 11 insertions, 7 deletions

diff --git a/ppapi/cpp/dev/buffer_dev.cc b/ppapi/cpp/dev/buffer_dev.cc
index 8a41ab4..46b34bb 100644
--- a/ppapi/cpp/dev/buffer_dev.cc
+++ b/ppapi/cpp/dev/buffer_dev.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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.
 
@@ -41,5 +41,8 @@ Buffer_Dev::Buffer_Dev(Instance* instance, uint32_t size)
     *this = Buffer_Dev();
 }
 
-}  // namespace pp
+Buffer_Dev::~Buffer_Dev() {
+  get_interface<PPB_Buffer_Dev>()->Unmap(pp_resource());
+}
 
+}  // namespace pp
diff --git a/ppapi/cpp/dev/buffer_dev.h b/ppapi/cpp/dev/buffer_dev.h
index 83c265c2..b34a2f8 100644
--- a/ppapi/cpp/dev/buffer_dev.h
+++ b/ppapi/cpp/dev/buffer_dev.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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.
 
@@ -15,13 +15,15 @@ class Buffer_Dev : public Resource {
  public:
   // Creates an is_null() Buffer object.
   Buffer_Dev();
-
   Buffer_Dev(const Buffer_Dev& other);
 
-  // Allocates a new Buffer in the browser with the given size. The
-  // resulting object will be is_null() if the allocation failed.
+  // Creates & Maps a new Buffer in the browser with the given size. The
+  // resulting object will be is_null() if either Create() or Map() fails.
   Buffer_Dev(Instance* instance, uint32_t size);
 
+  // Unmap the underlying shared memory.
+  virtual ~Buffer_Dev();
+
   uint32_t size() const { return size_; }
   void* data() const { return data_; }
 
@@ -33,4 +35,3 @@ class Buffer_Dev : public Resource {
 }  // namespace pp
 
 #endif  // PPAPI_CPP_DEV_BUFFER_DEV_H_
-