Revert of Add back buttons and load new 'pages' by calling javascript.

build/android/pylib/results/presentation/javascript/main_html.js

Index: build/android/pylib/results/presentation/javascript/main_html.js
diff --git a/build/android/pylib/results/presentation/javascript/main_html.js b/build/android/pylib/results/presentation/javascript/main_html.js
index ea75a8479e90804c44f05605ee4a4bf04033860d..6c254d5a6885ffdae66f9422161f0a9ebc031954 100644
--- a/build/android/pylib/results/presentation/javascript/main_html.js
+++ b/build/android/pylib/results/presentation/javascript/main_html.js
@@ -46,34 +46,12 @@
       });
   showTestTable(true);
   showSuiteTable(false);
-  window.scrollTo(0, 0);
-}
-
-function showTestsOfOneSuiteOnlyWithNewState(suite_name) {
-  showTestsOfOneSuiteOnly(suite_name);
-  history.pushState({suite: suite_name}, suite_name, '');
 }
 
 function showSuiteTableOnly() {
   setTitle('Suites Summary')
   showTestTable(false);
   showSuiteTable(true);
-  window.scrollTo(0, 0);
-}
-
-function showSuiteTableOnlyWithReplaceState() {
-  showSuiteTableOnly();
-  history.replaceState({}, 'suite_table', '');
-}
-
-function setBrowserBackButtonLogic() {
-  window.onpopstate = function(event) {
-    if (!event.state || !event.state.suite) {
-      showSuiteTableOnly();
-    } else {
-      showTestsOfOneSuiteOnly(event.state.suite);
-    }
-  };
 }
 
 function setTitle(title) {
@@ -188,6 +166,17 @@
   }
 }
 
+function loadPage() {
+  var args = getArguments();
+  if ('suite' in args) {
+    // The user wants to visit detailed 'subpage' of that suite.
+    showTestsOfOneSuiteOnly(args['suite']);
+  } else {
+    // The user wants to visit the summary of all suites.
+    showSuiteTableOnly();
+  }
+}
+
 function reportIssues() {
   var url = 'https://bugs.chromium.org/p/chromium/issues/entry?' +
             'labels=Pri-2,Type-Bug,Restrict-View-Google&' +