Web UI: Remove HTML Imports V0 Polyfill

This file is not used anywhere, so is only creating unnecessary
additional resources.pak size on Chrome OS.

Bug: 902076
Change-Id: I441e64df4cfbc0c247ee74a73d546989768bed96
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1873373
Commit-Queue: Rebekah Potter <rbpotter@chromium.org>
Reviewed-by: Demetrios Papadopoulos <dpapad@chromium.org>
Cr-Commit-Position: refs/heads/master@{#708367}

content/browser/webui/shared_resources_data_source.cc

@@ -50,9 +50,6 @@ const char kPolymerHtml[] = "polymer/v1_0/polymer/polymer.html";
 const char kPolymerJs[] = "polymer/v1_0/polymer/polymer-extracted.js";
 const char kPolymer2Html[] = "polymer/v1_0/polymer2/polymer.html";
 const char kPolymer2Js[] = "polymer/v1_0/polymer2/polymer-extracted.js";
-const char kHtmlImportsJs[] = "polymer/v1_0/html-imports/html-imports.min.js";
-const char kHtmlImportsV0Js[] =
-    "polymer/v1_0/html-imports-v0/html-imports.min.js";
 
 // Utility for determining if both Polymer 1 and Polymer 2 are needed.
 bool UsingMultiplePolymerVersions() {
@@ -191,11 +188,7 @@ bool ShouldIgnore(std::string resource) {
   if (base::StartsWith(
           resource,
           "../../../third_party/polymer/v1_0/components-chromium/polymer/",
-          base::CompareCase::SENSITIVE) ||
-      base::StartsWith(resource,
-                       "../../../third_party/polymer/v1_0/components-chromium/"
-                       "html-imports-v0/",
-                       base::CompareCase::SENSITIVE)) {
+          base::CompareCase::SENSITIVE)) {
     return true;
   }
 
@@ -303,14 +296,9 @@ void SharedResourcesDataSource::StartDataRequest(
   // If this is a Polymer request and multiple Polymer versions are enabled,
   // return the Polymer 2 path unless the request is from the
   // |disabled_polymer2_host_|.
-  if ((path == kPolymerHtml || path == kPolymerJs || path == kHtmlImportsJs) &&
-      UsingMultiplePolymerVersions()) {
-    bool polymer2 = !IsPolymer2DisabledForPage(wc_getter);
-    if (polymer2 && (path == kPolymerHtml || path == kPolymerJs)) {
-      updated_path = path == kPolymerHtml ? kPolymer2Html : kPolymer2Js;
-    } else if (!polymer2 && path == kHtmlImportsJs) {
-      updated_path = kHtmlImportsV0Js;
-    }
+  if ((path == kPolymerHtml || path == kPolymerJs) &&
+      UsingMultiplePolymerVersions() && !IsPolymer2DisabledForPage(wc_getter)) {
+    updated_path = path == kPolymerHtml ? kPolymer2Html : kPolymer2Js;
   }
 #endif  // defined(OS_CHROMEOS)
 

third_party/polymer/v1_0/bower.json

@@ -4,7 +4,6 @@
   "dependencies": {
     "font-roboto": "PolymerElements/font-roboto#1.0.1",
     "html-imports": "webcomponents/html-imports#1.2.0",
-    "html-imports-v0": "webcomponents/html-imports#v0",
     "iron-a11y-announcer": "PolymerElements/iron-a11y-announcer#2.1.0",
     "iron-a11y-keys-behavior": "PolymerElements/iron-a11y-keys-behavior#2.1.1",
     "iron-a11y-keys": "PolymerElements/iron-a11y-keys#2.0.0",

third_party/polymer/v1_0/components-chromium/html-imports-v0/bower.json

-{
-  "name": "html-imports",
-  "main": "html-imports.min.js",
-  "version": "0.0.1",
-  "homepage": "http://webcomponents.org",
-  "authors": [
-    "The Polymer Authors"
-  ],
-  "repository": {
-    "type": "git",
-    "url": "https://github.com/webcomponents/html-imports.git"
-  },
-  "keywords": [
-    "webcomponents"
-  ],
-  "license": "BSD",
-  "ignore": [],
-  "devDependencies": {
-    "web-component-tester": "^4.0.1",
-    "polymer": "2.0-preview"
-  }
-}

third_party/polymer/v1_0/components_summary.txt

@@ -10,12 +10,6 @@ Tree: v1.2.0
 Revision: bcdbb81201faad37270b03f59a29f2f27cb70312
 Tree link: https://github.com/webcomponents/html-imports/tree/v1.2.0
 
-Name: html-imports
-Repository: https://github.com/webcomponents/html-imports.git
-Tree: v0
-Revision: 5832a3028a3bb6f8f29f0c53b0c8d631efdfa0b4
-Tree link: https://github.com/webcomponents/html-imports/tree/v0
-
 Name: iron-a11y-announcer
 Repository: https://github.com/PolymerElements/iron-a11y-announcer.git
 Tree: v2.1.0

third_party/polymer/v1_0/find_unused_elements.py

@@ -31,7 +31,6 @@ class UnusedElementsDetector(object):
     'shadycss',
     # Not used yet. Will be used when pages are moved off of HTML imports.
     'html-imports',
-    'html-imports-v0',
   )
 
   def __init__(self):

third_party/polymer/v1_0/rsync_exclude.txt

@@ -32,10 +32,6 @@ package-lock.json
 html-imports/src/*
 html-imports/gulpfile.js
 
-# html-imports-v0
-html-imports-v0/src/*
-html-imports-v0/gulpfile.js
-
 # iron-autogrow-textarea
 iron-autogrow-textarea/*
 

ui/webui/resources/polymer_resources.grdp

@@ -33,10 +33,6 @@
                file="../../../third_party/polymer/v1_0/components-chromium/html-imports/html-imports.min.js"
                type="chrome_html"
                compress="gzip" />
-    <structure name="IDR_POLYMER_1_0_HTML_IMPORTS_V0_HTML_IMPORTS_MIN_JS"
-               file="../../../third_party/polymer/v1_0/components-chromium/html-imports-v0/html-imports.min.js"
-               type="chrome_html"
-               compress="gzip" />
   </if>
   <structure name="IDR_POLYMER_1_0_IRON_A11Y_ANNOUNCER_IRON_A11Y_ANNOUNCER_EXTRACTED_JS"
              file="../../../third_party/polymer/v1_0/components-chromium/iron-a11y-announcer/iron-a11y-announcer-extracted.js"