Mojo JS Bindings: Update User's Guide, examples

Mojo JS Bindings: Update User's Guide, examples

- Added echo_share example, demos sharing services between application ServiceProviders.

- Follow the convention about creating variables for module classes in the examples.

- Revised the User's Guide.


BUG=
R=eseidel@chromium.org

Committed: https://chromium.googlesource.com/external/mojo/+/acc0be86c70bb7cf47e02635f6326a2142201cec

[hansmuller1, 2015-01-06 17:38:19]

hansmuller@google.com changed reviewers:
+ eseidel@chromium.org

[eseidel, 2015-01-06 21:02:01]

lgtm

https://codereview.chromium.org/839553004/diff/1/examples/js/cube.js
File examples/js/cube.js (right):

https://codereview.chromium.org/839553004/diff/1/examples/js/cube.js#newcode29
examples/js/cube.js:29: var Application = application.Application;
Can we use const?

[hansmuller1, 2015-01-06 21:08:29]

On 2015/01/06 21:02:01, eseidel wrote:
> lgtm
> 
> https://codereview.chromium.org/839553004/diff/1/examples/js/cube.js
> File examples/js/cube.js (right):
> 
> https://codereview.chromium.org/839553004/diff/1/examples/js/cube.js#newcode29
> examples/js/cube.js:29: var Application = application.Application;
> Can we use const?

I think so, although AFAIK it's still the same as var.

In a follow-up CL I'll make another pass through all of the JS code and cut
constants over to const. It's at least clearer.

[hansmuller1, 2015-01-06 21:10:05]

On 2015/01/06 21:08:29, hansmuller1 wrote:
> On 2015/01/06 21:02:01, eseidel wrote:
> > lgtm
> > 
> > https://codereview.chromium.org/839553004/diff/1/examples/js/cube.js
> > File examples/js/cube.js (right):
> > 
> >
https://codereview.chromium.org/839553004/diff/1/examples/js/cube.js#newcode29
> > examples/js/cube.js:29: var Application = application.Application;
> > Can we use const?
> 
> I think so, although AFAIK it's still the same as var.
> 
> In a follow-up CL I'll make another pass through all of the JS code and cut
> constants over to const. It's at least clearer.

[hansmuller, 2015-01-06 21:11:12]

Committed patchset #1 (id:1) manually as
acc0be86c70bb7cf47e02635f6326a2142201cec (presubmit successful).