Don't miss to call ContentView.onShow when lunching content shell and test shell

In the onStart callback of the activity we do not have a view yet in case
the activity lunched the first time or when it is coming back from background
and it was terminated by the os. This CL makes sure we issue onShow when
finishing initialization.

BUG=345425

Review URL: https://codereview.chromium.org/165993008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@253417 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 253417
Cast: Use NetLog in UdpTransport

Giving a net::NetLog instance to UdpTransport such that we log UDP
socket events.

Review URL: https://codereview.chromium.org/177713008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@253418 0039d316-1c4b-4281-b951-d872f2087c98
Update the AppBannerView appearance again

* Add in "pressed" states for the banner and button.
* Update the resources with new ones.
* Change dimensions to account for email conversations with UX folks.
* Redo the measurement algorithm to make it easier to add even more
  widgets.

BUG=341556

Review URL: https://codereview.chromium.org/177863008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@253419 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 253418
SVN changes up to revision 253419