Add proxies for ImageData and Graphics2D. These don't build by themselves, th...

Add proxies for ImageData and Graphics2D. These don't build by themselves, this
is part of a larger patch. You can see most of the serialization mechanics
already checked in to the same directory.

TEST=none
BUG=none

Committed: http://code.google.com/p/ppapi/source/detail?r=65097

[brettw, 2010-11-03 03:30:26]

This is my first pass, there are still some TODOs and this will only work on
Linux for now.

[piman, 2010-11-03 22:53:48]

Ok, I spent some time looking at the proxying code that's already there, but I'd
need more time to be 100% confident with everything.
It all seems to make sense, it's mostly boilerplate here, so LGTM with nits.

http://codereview.chromium.org/4265002/diff/1/2
File ppapi/proxy/ppb_graphics_2d_proxy.cc (right):

http://codereview.chromium.org/4265002/diff/1/2#newcode7
ppapi/proxy/ppb_graphics_2d_proxy.cc:7: #include <string.h>  // For memcpy
// For memset ?

http://codereview.chromium.org/4265002/diff/1/3
File ppapi/proxy/ppb_graphics_2d_proxy.h (right):

http://codereview.chromium.org/4265002/diff/1/3#newcode29
ppapi/proxy/ppb_graphics_2d_proxy.h:29: return reinterpret_cast<const
PPB_Graphics2D*>(target_interface());
static_cast should work when casting from void*

http://codereview.chromium.org/4265002/diff/1/5
File ppapi/proxy/ppb_image_data_proxy.h (right):

http://codereview.chromium.org/4265002/diff/1/5#newcode26
ppapi/proxy/ppb_image_data_proxy.h:26: return reinterpret_cast<const
PPB_ImageData*>(target_interface());
static_cast should work when casting from void*