Rename Container's desiredSize argument to width and height arguments.

Rename Container's desiredSize argument to width and height arguments.
Also change SizedBox.

This makes the code that uses Container() and SizedBox() much more readable.

The underlying RenderSizedBox is not affected by this change.

R=abarth@chromium.org, eseidel@chromium.org

Committed: https://chromium.googlesource.com/external/mojo/+/bb52ac369024ec1e3bab40c63251c94525d3e4fa

[eseidel, 2015-06-08 20:56:45]

eseidel@chromium.org changed reviewers:
+ eseidel@chromium.org

[eseidel, 2015-06-08 20:56:46]

Shrug.  Not sure I'm the best reviewer, but lgtm if you need it.

[abarth-chromium, 2015-06-08 21:09:00]

abarth@chromium.org changed reviewers:
+ abarth@chromium.org

[abarth-chromium, 2015-06-08 21:09:01]

lgtm

https://codereview.chromium.org/1166203002/diff/1/sky/sdk/lib/framework/fn2.dart
File sky/sdk/lib/framework/fn2.dart (right):

https://codereview.chromium.org/1166203002/diff/1/sky/sdk/lib/framework/fn2.d...
sky/sdk/lib/framework/fn2.dart:991: current = new SizedBox(height: height,
child: current);
if (width != null || height != null)
  current = new SizedBox(width: width == null ? double.INFINITY : width, height:
height == null ? double.INFINITY : height, child: current);

[Hixie, 2015-06-08 21:36:26]

Committed patchset #2 (id:20001) manually as
bb52ac369024ec1e3bab40c63251c94525d3e4fa (presubmit successful).