Revert "Switch to a fixed chrome version temporarily"

This reverts commit fa70b7d4093ae28fc23ff5d0ea4cbbd206d656f0.

Reason for revert: Undo the version lock and see if we can fix the issue with "concurrency: 1" setting

Change-Id: I60d806982fb82db240567f972944b8cb00910f9f

recipes/recipes/gerrit.expected/polygerrit-ui_changes with failed step.json

diff --git a/recipes/recipes/gerrit.expected/polygerrit-ui_changes with failed step.json b/recipes/recipes/gerrit.expected/polygerrit-ui_changes with failed step.json
index 1aac188..17eb299 100644
--- a/recipes/recipes/gerrit.expected/polygerrit-ui_changes with failed step.json
+++ b/recipes/recipes/gerrit.expected/polygerrit-ui_changes with failed step.json
@@ -62,6 +62,36 @@
   },
   {
     "cmd": [
+      "vpython3",
+      "-u",
+      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
+      "--json-output",
+      "/path/to/tmp/json",
+      "copy",
+      "[CLEANUP]/chrome_tmp_1/LAST_CHANGE",
+      "/path/to/tmp/"
+    ],
+    "infra_step": true,
+    "luci_context": {
+      "realm": {
+        "name": "gerrit:try"
+      },
+      "resultdb": {
+        "current_invocation": {
+          "name": "invocations/build:8945511751514863184",
+          "update_token": "token"
+        },
+        "hostname": "rdbhost"
+      }
+    },
+    "name": "get chrome.read latest chrome version",
+    "~followup_annotations": [
+      "@@@STEP_NEST_LEVEL@1@@@",
+      "@@@STEP_LOG_END@LAST_CHANGE@@@"
+    ]
+  },
+  {
+    "cmd": [
       "python3",
       "-u",
       "RECIPE_MODULE[depot_tools::gsutil]/resources/gsutil_smart_retry.py",
@@ -69,7 +99,7 @@
       "RECIPE_REPO[depot_tools]/gsutil.py",
       "----",
       "cp",
-      "gs://chromium-browser-snapshots/Linux_x64/1283771/chrome-linux.zip",
+      "gs://chromium-browser-snapshots/Linux_x64//chrome-linux.zip",
       "[CLEANUP]/chrome_tmp_1"
     ],
     "infra_step": true,

recipes/recipes/gerrit.expected/polygerrit-ui_changes.json

diff --git a/recipes/recipes/gerrit.expected/polygerrit-ui_changes.json b/recipes/recipes/gerrit.expected/polygerrit-ui_changes.json
index e92b77b..b29d21f 100644
--- a/recipes/recipes/gerrit.expected/polygerrit-ui_changes.json
+++ b/recipes/recipes/gerrit.expected/polygerrit-ui_changes.json
@@ -62,6 +62,36 @@
   },
   {
     "cmd": [
+      "vpython3",
+      "-u",
+      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
+      "--json-output",
+      "/path/to/tmp/json",
+      "copy",
+      "[CLEANUP]/chrome_tmp_1/LAST_CHANGE",
+      "/path/to/tmp/"
+    ],
+    "infra_step": true,
+    "luci_context": {
+      "realm": {
+        "name": "gerrit:try"
+      },
+      "resultdb": {
+        "current_invocation": {
+          "name": "invocations/build:8945511751514863184",
+          "update_token": "token"
+        },
+        "hostname": "rdbhost"
+      }
+    },
+    "name": "get chrome.read latest chrome version",
+    "~followup_annotations": [
+      "@@@STEP_NEST_LEVEL@1@@@",
+      "@@@STEP_LOG_END@LAST_CHANGE@@@"
+    ]
+  },
+  {
+    "cmd": [
       "python3",
       "-u",
       "RECIPE_MODULE[depot_tools::gsutil]/resources/gsutil_smart_retry.py",
@@ -69,7 +99,7 @@
       "RECIPE_REPO[depot_tools]/gsutil.py",
       "----",
       "cp",
-      "gs://chromium-browser-snapshots/Linux_x64/1283771/chrome-linux.zip",
+      "gs://chromium-browser-snapshots/Linux_x64//chrome-linux.zip",
       "[CLEANUP]/chrome_tmp_1"
     ],
     "infra_step": true,

recipes/recipes/gerrit.py

diff --git a/recipes/recipes/gerrit.py b/recipes/recipes/gerrit.py
index 98f6c7c..f845b05 100644
--- a/recipes/recipes/gerrit.py
+++ b/recipes/recipes/gerrit.py
@@ -88,8 +88,8 @@
         chrome_zip = 'chrome-linux.zip'
         api.gsutil.download(gs_bucket, '%s/%s' %
                             (gs_path, version_file), chrome)
-        # Using a fixed version to debug an issue.
-        version = "1283771"
+        version = api.file.read_text('read latest chrome version',
+                                     chrome.join(version_file))
         api.gsutil.download(gs_bucket, '%s/%s/%s' %
                             (gs_path, version, chrome_zip), chrome)
         api.zip.unzip('unzip chrome', chrome.join(