Implement Pepper PPB_VideoDecoder interface.

Adds resource and host, unit test for the resource, and an example plugin.
Implements only the hardware accelerated case. Software fallback will be
in a follow-on CL.

Adds two new PP_Error codes:
PP_ERROR_UNREADABLE_INPUT
PP_ERROR_PLATFORM_FAILED

BUG=281689
[email protected], [email protected], [email protected], [email protected], [email protected]

Review URL: https://codereview.chromium.org/270213004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@273920 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/ppapi/ppapi_proxy.gypi b/ppapi/ppapi_proxy.gypi
index f8605db6..d816abf 100644
--- a/ppapi/ppapi_proxy.gypi
+++ b/ppapi/ppapi_proxy.gypi
@@ -226,6 +226,8 @@
           'proxy/var_serialization_rules.h',
           'proxy/video_capture_resource.cc',
           'proxy/video_capture_resource.h',
+          'proxy/video_decoder_resource.cc',
+          'proxy/video_decoder_resource.h',
           'proxy/video_destination_resource.cc',
           'proxy/video_destination_resource.h',
           'proxy/video_frame_resource.cc',