backport - Bug 1436187 Move existing shared head files to devtools/client/shared.

Author: jasonLaster

.travis.yml

@@ -10,7 +10,7 @@ env:
   global:
     - DISPLAY=':99.0'
     - YARN_VERSION='0.24.5'
-    - MC_COMMIT='c3d2757a5343' # https://hg.mozilla.org/mozilla-central/shortlog
+    - MC_COMMIT='00ef5405cd7e' # https://hg.mozilla.org/mozilla-central/shortlog
 
 notifications:
   slack:

src/test/mochitest/browser.ini

@@ -5,7 +5,7 @@ skip-if = (os == 'linux' && debug && bits == 32)
 support-files =
   head.js
   !/devtools/client/commandline/test/helpers.js
-  !/devtools/client/framework/test/shared-head.js
+  !/devtools/client/shared/test/shared-head.js
   examples/babel/polyfill-bundle.js
   examples/babel/fixtures/for-of/output.js
   examples/babel/fixtures/for-of/output.js.map

src/test/mochitest/head.js

@@ -34,9 +34,10 @@
 
 // shared-head.js handles imports, constants, and utility functions
 Services.scriptloader.loadSubScript(
-  "chrome://mochitests/content/browser/devtools/client/framework/test/shared-head.js",
+  "chrome://mochitests/content/browser/devtools/client/shared/test/shared-head.js",
   this
 );
+
 var { Toolbox } = require("devtools/client/framework/toolbox");
 const sourceUtils = {
   isLoaded: source => source.get("loadedState") === "loaded"