Testcases for nameddests and navigate for PDF

chrome/test/data/pdf/test_util.js

Index: chrome/test/data/pdf/test_util.js
diff --git a/chrome/test/data/pdf/test_util.js b/chrome/test/data/pdf/test_util.js
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+++ b/chrome/test/data/pdf/test_util.js
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+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Utilities that are used in multiple tests.
+function MockWindow(width, height, sizer) {
+  this.innerWidth = width;
+  this.innerHeight = height;
+  this.addEventListener = function(e, f) {
+    if (e == 'scroll')
+      this.scrollCallback = f;
+    if (e == 'resize')
+      this.resizeCallback = f;
+  };
+  this.scrollTo = function(x, y) {
+    if (sizer) {
+      x = Math.min(x, parseInt(sizer.style.width) - width);
+      y = Math.min(y, parseInt(sizer.style.height) - height);
+    }
+    this.pageXOffset = Math.max(0, x);
+    this.pageYOffset = Math.max(0, y);
+    this.scrollCallback();
+  };
+  if (sizer) {
+    sizer.resizeCallback_ = function() {
+      this.scrollTo(this.pageXOffset, this.pageYOffset);
+    }.bind(this);
+  }
+  this.pageXOffset = 0;
+  this.pageYOffset = 0;
+  this.scrollCallback = null;
+  this.resizeCallback = null;
+}
+
+function MockSizer() {
+  var sizer = this;
+  this.style = {
+    width_: '0px',
+    height_: '0px',
+    get height() { return this.height_; },
+    set height(height) {
+      this.height_ = height;
+      if (sizer.resizeCallback_)
+        sizer.resizeCallback_();
+    },
+    get width() { return this.width_; },
+    set width(width) {
+      this.width_ = width;
+      if (sizer.resizeCallback_)
+        sizer.resizeCallback_();
+    },
+  };
+}
+
+function MockViewportChangedCallback() {
+  this.wasCalled = false;
+  this.callback = function() {
+    this.wasCalled = true;
+  }.bind(this);
+  this.reset = function() {
+    this.wasCalled = false;
+  };
+}
+
+function MockDocumentDimensions(width, height) {
+  this.width = width || 0;
+  this.height = height ? height : 0;
+  this.pageDimensions = [];
+  this.addPage = function(w, h) {
+    var y = 0;
+    if (this.pageDimensions.length != 0) {
+      y = this.pageDimensions[this.pageDimensions.length - 1].y +
+          this.pageDimensions[this.pageDimensions.length - 1].height;
+    }
+    this.width = Math.max(this.width, w);
+    this.height += h;
+    this.pageDimensions.push({
+      x: 0,
+      y: y,
+      width: w,
+      height: h
+    });
+  };
+  this.reset = function() {
+    this.width = 0;
+    this.height = 0;
+    this.pageDimensions = [];
+  };
+}