Remove all calls to domAutomationController.setAutomationId.

These calls are no longer needed after r485461
(https://crrev.com/2478803003) which has made the
domAutomationController.setAutomationId call a no-op.

BUG=662543
This CL was uploaded by git cl split.

R=tommi@chromium.org

Review-Url: https://codereview.chromium.org/2977633004
Cr-Commit-Position: refs/heads/master@{#487944}

content/public/test/browser_test_utils.cc

@@ -137,17 +137,13 @@ bool ExecuteScriptHelper(RenderFrameHost* render_frame_host,
                          std::unique_ptr<base::Value>* result)
     WARN_UNUSED_RESULT;
 
-// Executes the passed |original_script| in the frame specified by
-// |render_frame_host|.  If |result| is not NULL, stores the value that the
-// evaluation of the script in |result|.  Returns true on success.
+// Executes the passed |script| in the frame specified by |render_frame_host|.
+// If |result| is not NULL, stores the value that the evaluation of the script
+// in |result|.  Returns true on success.
 bool ExecuteScriptHelper(RenderFrameHost* render_frame_host,
-                         const std::string& original_script,
+                         const std::string& script,
                          bool user_gesture,
                          std::unique_ptr<base::Value>* result) {
-  // TODO(jcampan): we should make the domAutomationController not require an
-  //                automation id.
-  std::string script =
-      "window.domAutomationController.setAutomationId(0);" + original_script;
   // TODO(lukasza): Only get messages from the specific |render_frame_host|.
   DOMMessageQueue dom_message_queue(
       WebContents::FromRenderFrameHost(render_frame_host));
@@ -216,12 +212,8 @@ bool ExecuteScriptInIsolatedWorldHelper(RenderFrameHost* render_frame_host,
 
 bool ExecuteScriptInIsolatedWorldHelper(RenderFrameHost* render_frame_host,
                                         const int world_id,
-                                        const std::string& original_script,
+                                        const std::string& script,
                                         std::unique_ptr<base::Value>* result) {
-  // TODO(jcampan): we should make the domAutomationController not require an
-  //                automation id.
-  std::string script =
-      "window.domAutomationController.setAutomationId(0);" + original_script;
   // TODO(lukasza): Only get messages from the specific |render_frame_host|.
   DOMMessageQueue dom_message_queue(
       WebContents::FromRenderFrameHost(render_frame_host));