Introduce PPB_VideoCapture_Dev v0.3:
- Add MonitorDeviceChange().
- Change EnumerateDevices() to use PP_ArrayOutput.
- Update the video_capture manual test.

TEST=None
BUG=137799


Review URL: https://chromiumcodereview.appspot.com/11437036

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@172150 0039d316-1c4b-4281-b951-d872f2087c98

• content/renderer/pepper/pepper_video_capture_host.cc[diff]
• content/renderer/pepper/pepper_video_capture_host.h[diff]
• ppapi/api/dev/ppb_video_capture_dev.idl[diff]
• ppapi/c/dev/ppb_video_capture_dev.h[diff]
• ppapi/cpp/dev/video_capture_dev.cc[diff]
• ppapi/cpp/dev/video_capture_dev.h[diff]
• ppapi/examples/video_capture/video_capture.cc[diff]
• ppapi/examples/video_capture/video_capture.html[diff]
• ppapi/native_client/src/untrusted/pnacl_irt_shim/pnacl_shim.c[diff]
• ppapi/proxy/device_enumeration_resource_helper.cc[diff]
• ppapi/proxy/device_enumeration_resource_helper.h[diff]
• ppapi/proxy/flash_resource_unittest.cc[diff]
• ppapi/proxy/ppapi_messages.h[diff]
• ppapi/proxy/video_capture_resource.cc[diff]
• ppapi/proxy/video_capture_resource.h[diff]
• ppapi/thunk/interfaces_ppb_public_dev.h[diff]
• ppapi/thunk/ppb_video_capture_api.h[diff]
• ppapi/thunk/ppb_video_capture_thunk.cc[diff]