[Telemetry] Don't try to use symbols from another browser for stacks.

On the bots, the reference builds were trying to symbolize with the target
build's symbols. The problem was that we were searching for symbols in the
directory of the minidump_stackwalk binary instead of in the directory of the
browser.

BUG=280584

Review URL: https://codereview.chromium.org/75133008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@235938 0039d316-1c4b-4281-b951-d872f2087c98
Revert "[chromedriver] Fix atoms for scrolling elements due to a change on blink side."

This reverts commit d323ffcdacf5690f35877e2323b42dfa0bc4024d.

BUG=None
TEST=chromedriver tests

Review URL: https://codereview.chromium.org/75233005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@235939 0039d316-1c4b-4281-b951-d872f2087c98
Add console.log support to gin_shell

This CL adds a basic console module to gin_shell so that we can print to stdout
with a JavaScript program like the following:

define(["console"], function(console) {
  console.log("Hello,", "world");
});

BUG=317398

Review URL: https://codereview.chromium.org/75273007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@235940 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 235939
SVN changes up to revision 235940