PPAPI: implement GetSupportedPreviewSizes

ppapi/proxy/camera_capabilities_resource.h

Index: ppapi/proxy/camera_capabilities_resource.h
diff --git a/ppapi/proxy/camera_capabilities_resource.h b/ppapi/proxy/camera_capabilities_resource.h
new file mode 100644
index 0000000000000000000000000000000000000000..e432549da95725d3b0a917b327772d895b0bae70
--- /dev/null
+++ b/ppapi/proxy/camera_capabilities_resource.h
@@ -0,0 +1,48 @@
+// 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.
+
+#ifndef PPAPI_PROXY_CAMERA_CAPABILITIES_RESOURCE_H_
+#define PPAPI_PROXY_CAMERA_CAPABILITIES_RESOURCE_H_
+
+#include <vector>
+
+#include "base/basictypes.h"
+#include "base/memory/scoped_ptr.h"
+#include "ppapi/proxy/ppapi_proxy_export.h"
+#include "ppapi/shared_impl/resource.h"
+#include "ppapi/thunk/ppb_camera_capabilities_api.h"
+
+namespace ppapi {
+namespace proxy {
+
+class ImageCaptureResource;
+
+class PPAPI_PROXY_EXPORT CameraCapabilitiesResource
+    : public Resource,
+      public thunk::PPB_CameraCapabilities_API {
+ public:
+  CameraCapabilitiesResource(PP_Instance instance,
+                             const std::vector<PP_Size>& preview_sizes);
+
+  virtual ~CameraCapabilitiesResource();
+
+  // Resource overrides:
+  virtual thunk::PPB_CameraCapabilities_API* AsPPB_CameraCapabilities_API()
+      override;
+
+  // PPB_CameraCapabilities_API overrides

[dmichael (off chromium), 2015/02/09 22:26:59]

s/overrides/implementation:

[Justin Chuang, 2015/02/10 16:01:02]

Done, thanks. But I found most files use 'implementation.' instead of
'implementation:'. So I use the former style.

+  virtual void GetSupportedPreviewSizes(int32_t* array_size,
+                                        PP_Size** preview_sizes) override;
+
+ private:
+  int32_t num_preview_sizes_;
+  scoped_ptr<PP_Size[]> preview_sizes_;
+
+  DISALLOW_COPY_AND_ASSIGN(CameraCapabilitiesResource);
+};
+
+}  // namespace proxy
+}  // namespace ppapi
+
+#endif  // PPAPI_PROXY_CAMERA_CAPABILITIES_RESOURCE_H_