Upstream oodles of Chrome for Android code into Chromium.

chrome/android/java_staging/src/org/chromium/chrome/browser/omnibox/LocationBarLayout.java

Index: chrome/android/java_staging/src/org/chromium/chrome/browser/omnibox/LocationBarLayout.java
diff --git a/chrome/android/java_staging/src/org/chromium/chrome/browser/omnibox/LocationBarLayout.java b/chrome/android/java_staging/src/org/chromium/chrome/browser/omnibox/LocationBarLayout.java
new file mode 100644
index 0000000000000000000000000000000000000000..0ba64c3f7589aa254eb9920bec7ff26d1a2dfd1b
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+++ b/chrome/android/java_staging/src/org/chromium/chrome/browser/omnibox/LocationBarLayout.java
@@ -0,0 +1,2394 @@
+// 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.
+
+package org.chromium.chrome.browser.omnibox;
+
+import static org.chromium.chrome.browser.toolbar.ToolbarPhone.URL_FOCUS_CHANGE_ANIMATION_DURATION_MS;
+
+import android.animation.Animator;
+import android.animation.AnimatorListenerAdapter;
+import android.animation.AnimatorSet;
+import android.animation.ObjectAnimator;
+import android.annotation.SuppressLint;
+import android.app.Activity;
+import android.content.ClipData;
+import android.content.ClipboardManager;
+import android.content.ContentResolver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.res.ColorStateList;
+import android.graphics.Color;
+import android.graphics.PorterDuff;
+import android.graphics.Rect;
+import android.graphics.drawable.ColorDrawable;
+import android.graphics.drawable.Drawable;
+import android.net.Uri;
+import android.os.Parcelable;
+import android.os.SystemClock;
+import android.provider.Settings;
+import android.speech.RecognizerIntent;
+import android.text.Editable;
+import android.text.InputType;
+import android.text.Selection;
+import android.text.TextUtils;
+import android.text.TextWatcher;
+import android.util.AttributeSet;
+import android.util.Log;
+import android.util.Pair;
+import android.util.SparseArray;
+import android.view.ActionMode;
+import android.view.KeyEvent;
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.view.ViewGroup;
+import android.view.ViewStub;
+import android.view.inputmethod.BaseInputConnection;
+import android.widget.FrameLayout;
+import android.widget.ImageButton;
+import android.widget.ImageView;
+import android.widget.ListView;
+
+import com.google.android.apps.chrome.R;
+
+import org.chromium.base.ApiCompatibilityUtils;
+import org.chromium.base.CollectionUtil;
+import org.chromium.base.CommandLine;
+import org.chromium.base.VisibleForTesting;
+import org.chromium.base.metrics.RecordHistogram;
+import org.chromium.base.metrics.RecordUserAction;
+import org.chromium.chrome.browser.ChromeSwitches;
+import org.chromium.chrome.browser.ContextualMenuBar;
+import org.chromium.chrome.browser.ContextualMenuBar.ActionBarDelegate;
+import org.chromium.chrome.browser.CustomSelectionActionModeCallback;
+import org.chromium.chrome.browser.Tab;
+import org.chromium.chrome.browser.WebsiteSettingsPopup;
+import org.chromium.chrome.browser.WindowDelegate;
+import org.chromium.chrome.browser.appmenu.AppMenuButtonHelper;
+import org.chromium.chrome.browser.document.BrandColorUtils;
+import org.chromium.chrome.browser.dom_distiller.DomDistillerServiceFactory;
+import org.chromium.chrome.browser.dom_distiller.DomDistillerTabUtils;
+import org.chromium.chrome.browser.ntp.NativePageFactory;
+import org.chromium.chrome.browser.ntp.NewTabPage;
+import org.chromium.chrome.browser.ntp.NewTabPage.FakeboxDelegate;
+import org.chromium.chrome.browser.ntp.NewTabPageUma;
+import org.chromium.chrome.browser.omnibox.AutocompleteController.OnSuggestionsReceivedListener;
+import org.chromium.chrome.browser.omnibox.OmniboxResultsAdapter.OmniboxResultItem;
+import org.chromium.chrome.browser.omnibox.OmniboxResultsAdapter.OmniboxSuggestionDelegate;
+import org.chromium.chrome.browser.omnibox.OmniboxSuggestion.Type;
+import org.chromium.chrome.browser.omnibox.VoiceSuggestionProvider.VoiceResult;
+import org.chromium.chrome.browser.omnibox.geo.GeolocationHeader;
+import org.chromium.chrome.browser.preferences.privacy.PrivacyPreferencesManager;
+import org.chromium.chrome.browser.profiles.Profile;
+import org.chromium.chrome.browser.search_engines.TemplateUrlService;
+import org.chromium.chrome.browser.ssl.ConnectionSecurityHelperSecurityLevel;
+import org.chromium.chrome.browser.tab.BackgroundContentViewHelper;
+import org.chromium.chrome.browser.tab.ChromeTab;
+import org.chromium.chrome.browser.toolbar.ToolbarDataProvider;
+import org.chromium.chrome.browser.util.FeatureUtilities;
+import org.chromium.chrome.browser.util.KeyNavigationUtil;
+import org.chromium.chrome.browser.util.ViewUtils;
+import org.chromium.chrome.browser.widget.TintedImageButton;
+import org.chromium.components.dom_distiller.core.DomDistillerService;
+import org.chromium.components.dom_distiller.core.DomDistillerUrlUtils;
+import org.chromium.content.browser.ContentViewCore;
+import org.chromium.content.browser.accessibility.BrowserAccessibilityManager;
+import org.chromium.content_public.browser.LoadUrlParams;
+import org.chromium.content_public.browser.WebContents;
+import org.chromium.ui.UiUtils;
+import org.chromium.ui.base.DeviceFormFactor;
+import org.chromium.ui.base.PageTransition;
+import org.chromium.ui.base.WindowAndroid;
+import org.chromium.ui.interpolators.BakedBezierInterpolator;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+
+/**
+ * This class represents the location bar where the user types in URLs and
+ * search terms.
+ */
+public class LocationBarLayout extends FrameLayout implements OnClickListener,
+        OnSuggestionsReceivedListener, LocationBar, FakeboxDelegate,
+        WindowAndroid.IntentCallback {
+
+    // Delay triggering the omnibox results upon key press to allow the location bar to repaint
+    // with the new characters.
+    private static final long OMNIBOX_SUGGESTION_START_DELAY_MS = 30;
+
+    private static final int OMNIBOX_CONTAINER_BACKGROUND_FADE_MS = 250;
+
+    // The minimum confidence threshold that will result in navigating directly to a voice search
+    // response (as opposed to treating it like a typed string in the Omnibox).
+    private static final float VOICE_SEARCH_CONFIDENCE_NAVIGATE_THRESHOLD = 0.9f;
+
+    private static final int CONTENT_OVERLAY_COLOR = Color.argb(166, 0, 0, 0);
+    private static final int OMNIBOX_RESULTS_BG_COLOR = Color.rgb(245, 245, 246);
+    private static final int OMNIBOX_INCOGNITO_RESULTS_BG_COLOR = Color.rgb(50, 50, 50);
+
+    /**
+     * URI schemes that ContentView can handle.
+     *
+     * Copied from UrlUtilities.java.  UrlUtilities uses a URI to check for schemes, which
+     * is more strict than Uri and causes the path stripping to fail.
+     *
+     * The following additions have been made: "chrome", "ftp".
+     */
+    private static final HashSet<String> ACCEPTED_SCHEMES = CollectionUtil.newHashSet(
+            "about", "data", "file", "ftp", "http", "https", "inline", "javascript", "chrome");
+    private static final HashSet<String> UNSUPPORTED_SCHEMES_TO_SPLIT =
+            CollectionUtil.newHashSet("file", "javascript", "data");
+
+    protected ImageView mNavigationButton;
+    protected ImageButton mSecurityButton;
+    protected TintedImageButton mDeleteButton;
+    protected TintedImageButton mMicButton;
+    protected UrlBar mUrlBar;
+    protected UrlContainer mUrlContainer;
+    private ContextualMenuBar mContextualMenuBar = null;
+
+    private AutocompleteController mAutocomplete;
+
+    private ToolbarDataProvider mToolbarDataProvider;
+    private UrlFocusChangeListener mUrlFocusChangeListener;
+
+    private boolean mNativeInitialized;
+
+    private final List<Runnable> mDeferredNativeRunnables = new ArrayList<Runnable>();
+
+    // The type of the navigation button currently showing.
+    private NavigationButtonType mNavigationButtonType;
+
+    // The type of the security icon currently active.
+    private int mSecurityIconType;
+
+    private final OmniboxResultsAdapter mSuggestionListAdapter;
+    private OmniboxSuggestionsList mSuggestionList;
+
+    private final List<OmniboxResultItem> mSuggestionItems;
+
+    /**
+     * The text shown in the URL bar (user text + inline autocomplete) after the most recent set of
+     * omnibox suggestions was received. When the user presses enter in the omnibox, this value is
+     * compared to the URL bar text to determine whether the first suggestion is still valid.
+     */
+    private String mUrlTextAfterSuggestionsReceived;
+
+    // Set to true when the URL bar text is modified programmatically. Initially set
+    // to true until the old state has been loaded.
+    private boolean mIgnoreURLBarModification = true;
+    private boolean mIgnoreOmniboxItemSelection = true;
+
+    private boolean mLastUrlEditWasDelete = false;
+
+    // True if we are showing the search query instead of the url.
+    private boolean mQueryInTheOmnibox = false;
+
+    private String mOriginalUrl = "";
+
+    private WindowAndroid mWindowAndroid;
+    private WindowDelegate mWindowDelegate;
+
+    private Runnable mRequestSuggestions;
+
+    private ViewGroup mOmniboxResultsContainer;
+    private ObjectAnimator mFadeInOmniboxBackgroundAnimator;
+    private ObjectAnimator mFadeOutOmniboxBackgroundAnimator;
+    private Animator mOmniboxBackgroundAnimator;
+
+    private boolean mSuggestionsShown;
+    private boolean mUrlHasFocus;
+    private boolean mUrlFocusedFromFakebox;
+    private boolean mHasRecordedUrlFocusSource;
+
+    // Set to true when the user has started typing new input in the omnibox, set to false
+    // when the omnibox loses focus or becomes empty.
+    private boolean mHasStartedNewOmniboxEditSession;
+    // The timestamp (using SystemClock.elapsedRealtime()) at the point when the user started
+    // modifying the omnibox with new input.
+    private long mNewOmniboxEditSessionTimestamp = -1;
+
+    private boolean mSecurityButtonShown;
+
+    private AnimatorSet mLocationBarIconActiveAnimator;
+    private AnimatorSet mSecurityButtonShowAnimator;
+    private AnimatorSet mNavigationIconShowAnimator;
+
+    private TextWatcher mTextWatcher;
+
+    private OmniboxPrerender mOmniboxPrerender;
+
+    private View mFocusedTabView;
+    private int mFocusedTabImportantForAccessibilityState;
+    private BrowserAccessibilityManager mFocusedTabAccessibilityManager;
+
+    // True if we are showing original url for preview page. This is will be true when there is a
+    // background page loaded in background content view.
+    private boolean mShowingOriginalUrlForPreview;
+
+    private boolean mSuggestionModalShown;
+    private boolean mUseDarkColors;
+
+    // True if the user has just selected a suggestion from the suggestion list. This suppresses
+    // the recording of the dismissal of the suggestion list. (The list is only considered to have
+    // been dismissed if the user didn't choose one of the suggestions shown.) This signal is used
+    // instead of a parameter to hideSuggestions because that method is often called from multiple
+    // code paths in a not necessarily obvious or even deterministic order.
+    private boolean mSuggestionSelectionInProgress;
+
+    private CustomSelectionActionModeCallback mDefaultActionModeCallbackForTextEdit;
+
+    /**
+     * Listener for receiving the messages related with interacting with the omnibox during startup.
+     */
+    public interface OmniboxLivenessListener {
+        /**
+         * Called after the first draw when the omnibox can receive touch events.
+         */
+        void onOmniboxInteractive();
+
+        /**
+         * Called when the native libraries are loaded and listeners with native components
+         * have been initialized.
+         */
+        void onOmniboxFullyFunctional();
+
+        /**
+         * Called when the omnibox is focused.
+         */
+        void onOmniboxFocused();
+    }
+
+    /**
+     * Class to handle text changes in the URL bar, ensuring that the appropriate
+     * buttons are displayed as the text changes, and requesting suggestions.
+     */
+    private final class UrlBarTextWatcher implements TextWatcher {
+        @Override
+        public void afterTextChanged(final Editable editableText) {
+            updateDeleteButtonVisibility();
+            updateNavigationButton();
+
+            if (mIgnoreURLBarModification) return;
+
+            if (!mHasStartedNewOmniboxEditSession && mNativeInitialized) {
+                RecordUserAction.record("MobileFirstEditInOmnibox");
+                mAutocomplete.resetSession();
+                mHasStartedNewOmniboxEditSession = true;
+                mNewOmniboxEditSessionTimestamp = SystemClock.elapsedRealtime();
+            }
+
+            if (!isInTouchMode() && mSuggestionList != null) {
+                mSuggestionList.setSelection(0);
+            }
+
+            final String textWithoutAutocomplete = mUrlBar.getTextWithoutAutocomplete();
+
+            stopAutocomplete(false);
+            if (TextUtils.isEmpty(textWithoutAutocomplete)) {
+                hideSuggestions();
+                startZeroSuggest();
+            } else {
+                assert mRequestSuggestions == null : "Multiple omnibox requests in flight.";
+                mRequestSuggestions = new Runnable() {
+                    @Override
+                    public void run() {
+                        boolean preventAutocomplete = !shouldAutocomplete()
+                                || (editableText != null && Selection.getSelectionEnd(editableText)
+                                        != editableText.length());
+                        mRequestSuggestions = null;
+                        if (getCurrentTab() == null) return;
+                        mAutocomplete.start(
+                                getCurrentTab().getProfile(),
+                                getCurrentTab().getUrl(),
+                                textWithoutAutocomplete, preventAutocomplete);
+                    }
+                };
+                if (mNativeInitialized) {
+                    postDelayed(mRequestSuggestions, OMNIBOX_SUGGESTION_START_DELAY_MS);
+                } else {
+                    mDeferredNativeRunnables.add(mRequestSuggestions);
+                }
+            }
+
+            // Occasionally, was seeing the selection in the URL not being cleared during
+            // very rapid editing.  This is here to hopefully force a selection reset during
+            // deletes.
+            if (mLastUrlEditWasDelete) mUrlBar.setSelection(mUrlBar.getSelectionStart());
+        }
+
+        @Override
+        public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+            cancelPendingAutocompleteStart();
+        }
+
+        @Override
+        public void onTextChanged(CharSequence s, int start, int before, int count) {
+            // We need to determine whether the text change was triggered by a delete (so we
+            // don't autocomplete of the entered text in that case). With soft-keyboard, there
+            // is no way to know that the delete button was pressed, so we track text removal
+            // changes.
+            mLastUrlEditWasDelete = (count == 0);
+        }
+    }
+
+    /**
+     * Class to handle input from a hardware keyboard when the focus is on the URL bar. In
+     * particular, handle navigating the suggestions list from the keyboard.
+     */
+    private final class UrlBarKeyListener implements OnKeyListener {
+        @Override
+        public boolean onKey(View v, int keyCode, KeyEvent event) {
+            if (KeyNavigationUtil.isGoDown(event)
+                    && mSuggestionList != null
+                    && mSuggestionList.isShown()) {
+                int suggestionCount = mSuggestionListAdapter.getCount();
+                if (mSuggestionList.getSelectedItemPosition() < suggestionCount - 1) {
+                    if (suggestionCount > 0) mIgnoreOmniboxItemSelection = false;
+                } else {
+                    // Do not pass down events when the last item is already selected as it will
+                    // dismiss the suggestion list.
+                    return true;
+                }
+
+                if (mSuggestionList.getSelectedItemPosition()
+                        == ListView.INVALID_POSITION) {
+                    // When clearing the selection after a text change, state is not reset
+                    // correctly so hitting down again will cause it to start from the previous
+                    // selection point. We still have to send the key down event to let the list
+                    // view items take focus, but then we select the first item explicitly.
+                    boolean result = mSuggestionList.onKeyDown(keyCode, event);
+                    mSuggestionList.setSelection(0);
+                    return result;
+                } else {
+                    return mSuggestionList.onKeyDown(keyCode, event);
+                }
+            } else if (KeyNavigationUtil.isGoUp(event)
+                    && mSuggestionList != null
+                    && mSuggestionList.isShown()) {
+                if (mSuggestionList.getSelectedItemPosition() != 0
+                        && mSuggestionListAdapter.getCount() > 0) {
+                    mIgnoreOmniboxItemSelection = false;
+                }
+                return mSuggestionList.onKeyDown(keyCode, event);
+            } else if (KeyNavigationUtil.isGoRight(event)
+                    && mSuggestionList != null
+                    && mSuggestionList.isShown()
+                    && mSuggestionList.getSelectedItemPosition()
+                            != ListView.INVALID_POSITION) {
+                OmniboxResultItem selectedItem =
+                        (OmniboxResultItem) mSuggestionListAdapter.getItem(
+                                mSuggestionList.getSelectedItemPosition());
+                // Set the UrlBar text to empty, so that it will trigger a text change when we
+                // set the text to the suggestion again.
+                setUrlBarText(null, null, "");
+                mUrlBar.setText(selectedItem.getSuggestion().getFillIntoEdit());
+                mSuggestionList.setSelection(0);
+                mUrlBar.setSelection(mUrlBar.getText().length());
+                return true;
+            } else if (KeyNavigationUtil.isEnter(event)
+                    && LocationBarLayout.this.getVisibility() == VISIBLE) {
+                UiUtils.hideKeyboard(mUrlBar);
+                mSuggestionSelectionInProgress = true;
+                final String urlText = mUrlBar.getQueryText();
+                if (mNativeInitialized) {
+                    findMatchAndLoadUrl(urlText);
+                } else {
+                    mDeferredNativeRunnables.add(new Runnable() {
+                        @Override
+                        public void run() {
+                            findMatchAndLoadUrl(urlText);
+                        }
+                    });
+                }
+                return true;
+            }
+
+            return false;
+        }
+
+        private void findMatchAndLoadUrl(String urlText) {
+            int suggestionMatchPosition;
+            OmniboxSuggestion suggestionMatch;
+
+            if (mSuggestionList != null
+                    && mSuggestionList.isShown()
+                    && mSuggestionList.getSelectedItemPosition()
+                    != ListView.INVALID_POSITION) {
+                // Bluetooth keyboard case: the user highlighted a suggestion with the arrow
+                // keys, then pressed enter.
+                suggestionMatchPosition = mSuggestionList.getSelectedItemPosition();
+                OmniboxResultItem selectedItem =
+                        (OmniboxResultItem) mSuggestionListAdapter.getItem(suggestionMatchPosition);
+                suggestionMatch = selectedItem.getSuggestion();
+            } else if (!mSuggestionItems.isEmpty()
+                    && urlText.equals(mUrlTextAfterSuggestionsReceived)) {
+                // Common case: the user typed something, received suggestions, then pressed enter.
+                suggestionMatch = mSuggestionItems.get(0).getSuggestion();
+                suggestionMatchPosition = 0;
+            } else {
+                // Less common case: there are no valid omnibox suggestions. This can happen if the
+                // user tapped the URL bar to dismiss the suggestions, then pressed enter. This can
+                // also happen if the user presses enter before any suggestions have been received
+                // from the autocomplete controller.
+                suggestionMatch = mAutocomplete.classify(urlText);
+                suggestionMatchPosition = 0;
+
+                // If urlText couldn't be classified, bail.
+                if (suggestionMatch == null) return;
+            }
+
+            String suggestionMatchUrl = updateSuggestionUrlIfNeeded(suggestionMatch,
+                    suggestionMatchPosition);
+
+            // It's important to use the page transition from the suggestion or we might end
+            // up saving generated URLs as typed URLs, which would then pollute the subsequent
+            // omnibox results.
+            loadUrlFromOmniboxMatch(suggestionMatchUrl, suggestionMatch.getTransition(),
+                    suggestionMatchPosition, suggestionMatch.getType());
+        }
+    }
+
+    /**
+     * Specifies the types of buttons shown to signify different types of navigation elements.
+     */
+    protected enum NavigationButtonType {
+        PAGE,
+        MAGNIFIER,
+        EMPTY,
+    }
+
+    /**
+     * @param outRect Populated with a {@link Rect} that represents the {@link Tab} specific content
+     *                of this {@link LocationBar}.
+     */
+    public void getContentRect(Rect outRect) {
+        outRect.set(getPaddingLeft(), getPaddingTop(), getWidth() - getPaddingRight(),
+                getHeight() - getPaddingBottom());
+    }
+
+    /**
+     * A widget for showing a list of omnibox suggestions.
+     */
+    @VisibleForTesting
+    public class OmniboxSuggestionsList extends ListView {
+        private final int mSuggestionHeight;
+        private final int mSuggestionAnswerHeight;
+        private final View mAnchorView;
+
+        private final int[] mTempPosition = new int[2];
+        private final Rect mTempRect = new Rect();
+
+        private final int mBackgroundVerticalPadding;
+
+        private float mMaxRequiredWidth;
+        private float mMaxMatchContentsWidth;
+
+        /**
+         * Constructs a new list designed for containing omnibox suggestions.
+         * @param context Context used for contained views.
+         */
+        public OmniboxSuggestionsList(Context context) {
+            super(context, null, android.R.attr.dropDownListViewStyle);
+            setDivider(null);
+            setFocusable(true);
+            setFocusableInTouchMode(true);
+
+            mSuggestionHeight = context.getResources().getDimensionPixelOffset(
+                    R.dimen.omnibox_suggestion_height);
+            mSuggestionAnswerHeight = context.getResources().getDimensionPixelOffset(
+                    R.dimen.omnibox_suggestion_answer_height);
+
+            int paddingTop = context.getResources().getDimensionPixelOffset(
+                    R.dimen.omnibox_suggestion_list_padding_top);
+            int paddingBottom = context.getResources().getDimensionPixelOffset(
+                    R.dimen.omnibox_suggestion_list_padding_bottom);
+            ApiCompatibilityUtils.setPaddingRelative(this, 0, paddingTop, 0, paddingBottom);
+
+            Drawable background = getSuggestionPopupBackground();
+            setBackground(background);
+            background.getPadding(mTempRect);
+
+            mBackgroundVerticalPadding =
+                    mTempRect.top + mTempRect.bottom + getPaddingTop() + getPaddingBottom();
+
+            mAnchorView = LocationBarLayout.this.getRootView().findViewById(R.id.toolbar);
+        }
+
+        private void show() {
+            updateLayoutParams();
+            if (getVisibility() != VISIBLE) {
+                mIgnoreOmniboxItemSelection = true;  // Reset to default value.
+                setVisibility(VISIBLE);
+                if (getSelectedItemPosition() != 0) setSelection(0);
+            }
+            updateSuggestionsLayoutDirection(mUrlBar.getUrlDirection());
+        }
+
+        /**
+         * Invalidates all of the suggestion views in the list.  Only applicable when this
+         * is visible.
+         */
+        public void invalidateSuggestionViews() {
+            if (!isShown()) return;
+            ListView suggestionsList = mSuggestionList;
+            for (int i = 0; i < suggestionsList.getChildCount(); i++) {
+                if (suggestionsList.getChildAt(i) instanceof SuggestionView) {
+                    suggestionsList.getChildAt(i).postInvalidateOnAnimation();
+                }
+            }
+        }
+
+        /**
+         * Updates the maximum widths required to render the suggestions.
+         * This is needed for infinite suggestions where we try to vertically align the leading
+         * ellipsis.
+         */
+        public void resetMaxTextWidths() {
+            mMaxRequiredWidth = 0;
+            mMaxMatchContentsWidth = 0;
+        }
+
+        /**
+         * Updates the max text width values for the suggestions.
+         * @param requiredWidth a new required width.
+         * @param matchContentsWidth a new match contents width.
+         */
+        public void updateMaxTextWidths(float requiredWidth, float matchContentsWidth) {
+            mMaxRequiredWidth = Math.max(mMaxRequiredWidth, requiredWidth);
+            mMaxMatchContentsWidth = Math.max(mMaxMatchContentsWidth, matchContentsWidth);
+        }
+
+        /**
+         * @return max required width for the suggestions.
+         */
+        public float getMaxRequiredWidth() {
+            return mMaxRequiredWidth;
+        }
+
+        /**
+         * @return max match contents width for the suggestions.
+         */
+        public float getMaxMatchContentsWidth() {
+            return mMaxMatchContentsWidth;
+        }
+
+        private void updateLayoutParams() {
+            boolean updateLayout = false;
+            FrameLayout.LayoutParams layoutParams = (FrameLayout.LayoutParams) getLayoutParams();
+            if (layoutParams == null) {
+                layoutParams = new FrameLayout.LayoutParams(0, 0);
+                setLayoutParams(layoutParams);
+            }
+
+            // Compare the relative positions of the anchor view to the list parent view to
+            // determine the offset to apply to the suggestions list.  By using layout positioning,
+            // this avoids issues where getLocationInWindow can be inaccurate on certain devices.
+            View contentView =
+                    LocationBarLayout.this.getRootView().findViewById(android.R.id.content);
+            ViewUtils.getRelativeLayoutPosition(contentView, mAnchorView, mTempPosition);
+            int anchorX = mTempPosition[0];
+            int anchorY = mTempPosition[1];
+
+            ViewUtils.getRelativeLayoutPosition(contentView, (View) getParent(), mTempPosition);
+            int parentY = mTempPosition[1];
+
+            int anchorBottomRelativeToContent = anchorY + mAnchorView.getMeasuredHeight();
+            int desiredTopMargin = anchorBottomRelativeToContent - parentY;
+            if (layoutParams.topMargin != desiredTopMargin) {
+                layoutParams.topMargin = desiredTopMargin;
+                updateLayout = true;
+            }
+
+            int contentLeft = contentView.getLeft();
+            int anchorLeftRelativeToContent = anchorX - contentLeft;
+            if (layoutParams.leftMargin != anchorLeftRelativeToContent) {
+                layoutParams.leftMargin = anchorLeftRelativeToContent;
+                updateLayout = true;
+            }
+
+            getWindowDelegate().getWindowVisibleDisplayFrame(mTempRect);
+            int decorHeight = getWindowDelegate().getDecorViewHeight();
+            int availableViewportHeight = Math.min(mTempRect.height(), decorHeight);
+            int availableListHeight = availableViewportHeight - anchorBottomRelativeToContent;
+            int desiredHeight = Math.min(availableListHeight, getIdealHeight());
+            if (layoutParams.height != desiredHeight) {
+                layoutParams.height = desiredHeight;
+                updateLayout = true;
+            }
+
+            int desiredWidth = getDesiredWidth();
+            if (layoutParams.width != desiredWidth) {
+                layoutParams.width = desiredWidth;
+                updateLayout = true;
+            }
+
+            if (updateLayout) requestLayout();
+        }
+
+        private int getIdealHeight() {
+            int idealListSize = mBackgroundVerticalPadding;
+            for (int i = 0; i < mSuggestionItems.size(); i++) {
+                OmniboxResultItem item = mSuggestionItems.get(i);
+                if (!TextUtils.isEmpty(item.getSuggestion().getAnswerContents())) {
+                    idealListSize += mSuggestionAnswerHeight;
+                } else {
+                    idealListSize += mSuggestionHeight;
+                }
+            }
+            return idealListSize;
+        }
+
+        private int getDesiredWidth() {
+            return mAnchorView.getWidth();
+        }
+
+        @Override
+        public void onWindowFocusChanged(boolean hasWindowFocus) {
+            super.onWindowFocusChanged(hasWindowFocus);
+            if (!hasWindowFocus && !mSuggestionModalShown) hideSuggestions();
+        }
+
+        @Override
+        protected void layoutChildren() {
+            super.layoutChildren();
+            // In ICS, the selected view is not marked as selected despite calling setSelection(0),
+            // so we bootstrap this after the children have been laid out.
+            if (!isInTouchMode() && getSelectedView() != null) {
+                getSelectedView().setSelected(true);
+            }
+        }
+    }
+
+    public LocationBarLayout(Context context, AttributeSet attrs) {
+        super(context, attrs);
+
+        LayoutInflater.from(context).inflate(R.layout.location_bar, this, true);
+        mNavigationButton = (ImageView) findViewById(R.id.navigation_button);
+        assert mNavigationButton != null : "Missing navigation type view.";
+        mNavigationButtonType = DeviceFormFactor.isTablet(context)
+                ? NavigationButtonType.PAGE : NavigationButtonType.EMPTY;
+
+        mSecurityButton = (ImageButton) findViewById(R.id.security_button);
+        mSecurityIconType = ConnectionSecurityHelperSecurityLevel.NONE;
+
+        mDeleteButton = (TintedImageButton) findViewById(R.id.delete_button);
+
+        mUrlBar = (UrlBar) findViewById(R.id.url_bar);
+        // The HTC Sense IME will attempt to autocomplete words in the Omnibox when Prediction is
+        // enabled.  We want to disable this feature and rely on the Omnibox's implementation.
+        // Their IME does not respect ~TYPE_TEXT_FLAG_AUTO_COMPLETE nor any of the other InputType
+        // options I tried, but setting the filter variation prevents it.  Sadly, it also removes
+        // the .com button, but the prediction was buggy as it would autocomplete words even when
+        // typing at the beginning of the omnibox text when other content was present (messing up
+        // what was previously there).  See bug: http://b/issue?id=6200071
+        String defaultIme = Settings.Secure.getString(getContext().getContentResolver(),
+                Settings.Secure.DEFAULT_INPUT_METHOD);
+        if (defaultIme != null && defaultIme.contains("com.htc.android.htcime")) {
+            mUrlBar.setInputType(mUrlBar.getInputType() | InputType.TYPE_TEXT_VARIATION_FILTER);
+        }
+        mUrlBar.setDelegate(this);
+
+        mUrlContainer = (UrlContainer) findViewById(R.id.url_container);
+
+        mSuggestionItems = new ArrayList<OmniboxResultItem>();
+        mSuggestionListAdapter = new OmniboxResultsAdapter(getContext(), this, mSuggestionItems);
+
+        mMicButton = (TintedImageButton) findViewById(R.id.mic_button);
+    }
+
+    @Override
+    protected void onFinishInflate() {
+        super.onFinishInflate();
+
+        mUrlBar.setCursorVisible(false);
+        mNavigationButton.setVisibility(VISIBLE);
+        mSecurityButton.setVisibility(INVISIBLE);
+
+        setLayoutTransition(null);
+
+        AnimatorListenerAdapter iconChangeAnimatorListener = new AnimatorListenerAdapter() {
+            @Override
+            public void onAnimationEnd(Animator animation) {
+                if (animation == mSecurityButtonShowAnimator) {
+                    mNavigationButton.setVisibility(INVISIBLE);
+                } else if (animation == mNavigationIconShowAnimator) {
+                    mSecurityButton.setVisibility(INVISIBLE);
+                }
+            }
+
+            @Override
+            public void onAnimationStart(Animator animation) {
+                if (animation == mSecurityButtonShowAnimator) {
+                    mSecurityButton.setVisibility(VISIBLE);
+                } else if (animation == mNavigationIconShowAnimator) {
+                    mNavigationButton.setVisibility(VISIBLE);
+                }
+            }
+        };
+
+        mSecurityButtonShowAnimator = new AnimatorSet();
+        mSecurityButtonShowAnimator.playTogether(
+                ObjectAnimator.ofFloat(mNavigationButton, ALPHA, 0),
+                ObjectAnimator.ofFloat(mSecurityButton, ALPHA, 1));
+        mSecurityButtonShowAnimator.setDuration(URL_FOCUS_CHANGE_ANIMATION_DURATION_MS);
+        mSecurityButtonShowAnimator.addListener(iconChangeAnimatorListener);
+
+        mNavigationIconShowAnimator = new AnimatorSet();
+        mNavigationIconShowAnimator.playTogether(
+                ObjectAnimator.ofFloat(mNavigationButton, ALPHA, 1),
+                ObjectAnimator.ofFloat(mSecurityButton, ALPHA, 0));
+        mNavigationIconShowAnimator.setDuration(URL_FOCUS_CHANGE_ANIMATION_DURATION_MS);
+        mNavigationIconShowAnimator.addListener(iconChangeAnimatorListener);
+
+        mUrlBar.setOnKeyListener(new UrlBarKeyListener());
+
+        mTextWatcher = new UrlBarTextWatcher();
+        mUrlBar.setLocationBarTextWatcher(mTextWatcher);
+
+        // mLocationBar's direction is tied to this UrlBar's text direction. Icons inside the
+        // location bar, e.g. lock, refresh, X, should be reversed if UrlBar's text is RTL.
+        mUrlBar.setUrlDirectionListener(new UrlBar.UrlDirectionListener() {
+            @Override
+            public void onUrlDirectionChanged(int layoutDirection) {
+                ApiCompatibilityUtils.setLayoutDirection(LocationBarLayout.this, layoutDirection);
+                updateSuggestionsLayoutDirection(layoutDirection);
+            }
+        });
+
+        mUrlBar.setSelectAllOnFocus(true);
+    }
+
+    @Override
+    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+        updateLayoutParams();
+        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+    }
+
+    private void updateSuggestionsLayoutDirection(int layoutDirection) {
+        if (mSuggestionList != null && mSuggestionList.isShown()) {
+            ListView listView = mSuggestionList;
+            ApiCompatibilityUtils.setLayoutDirection(listView, layoutDirection);
+            for (int i = 0; i < listView.getChildCount(); i++) {
+                ApiCompatibilityUtils.setLayoutDirection(listView.getChildAt(i),
+                        layoutDirection);
+            }
+        }
+    }
+
+    @Override
+    public void initializeControls(WindowDelegate windowDelegate,
+            ActionBarDelegate actionBarDelegate, WindowAndroid windowAndroid) {
+        mWindowDelegate = windowDelegate;
+
+        mContextualMenuBar = new ContextualMenuBar(getContext(), actionBarDelegate);
+        mContextualMenuBar.setCustomSelectionActionModeCallback(
+                new CustomSelectionActionModeCallback() {
+                    @Override
+                    public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
+                        super.onPrepareActionMode(mode, menu);
+                        mode.getMenuInflater().inflate(R.menu.textselectionmenu, menu);
+                        return true;
+                    }
+
+                    @Override
+                    public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
+                        if (item.getItemId() == R.id.copy_url) {
+                            ClipboardManager clipboard =
+                                    (ClipboardManager) getContext().getSystemService(
+                                            Context.CLIPBOARD_SERVICE);
+                            ClipData clip = ClipData.newPlainText("url", mOriginalUrl);
+                            clipboard.setPrimaryClip(clip);
+                            mode.finish();
+                            return true;
+                        } else {
+                            return super.onActionItemClicked(mode, item);
+                        }
+                    }
+                });
+
+        mWindowAndroid = windowAndroid;
+        mMicButton.setOnClickListener(this);
+    }
+
+    /**
+     * @return The WindowDelegate for the LocationBar. This should be used for all Window related
+     * state queries.
+     */
+    protected WindowDelegate getWindowDelegate() {
+        return mWindowDelegate;
+    }
+
+    /**
+     * Handles native dependent initialization for this class.
+     */
+    @Override
+    public void onNativeLibraryReady() {
+        mNativeInitialized = true;
+
+        mSecurityButton.setOnClickListener(this);
+        mNavigationButton.setOnClickListener(this);
+        updateMicButtonState();
+        mDeleteButton.setOnClickListener(this);
+
+        mAutocomplete = new AutocompleteController(this);
+
+        mOmniboxPrerender = new OmniboxPrerender();
+
+        for (Runnable deferredRunnable : mDeferredNativeRunnables) {
+            post(deferredRunnable);
+        }
+        mDeferredNativeRunnables.clear();
+
+        mUrlBar.onOmniboxFullyFunctional();
+
+        updateCustomSelectionActionModeCallback();
+        updateVisualsForState();
+    }
+
+    /**
+     * @return Whether or not to animate icon changes.
+     */
+    protected boolean shouldAnimateIconChanges() {
+        return mUrlHasFocus;
+    }
+
+    /**
+     * Sets the autocomplete controller for the location bar.
+     *
+     * @param controller The controller that will handle autocomplete/omnibox suggestions.
+     * @note Only used for testing.
+     */
+    @VisibleForTesting
+    public void setAutocompleteController(AutocompleteController controller) {
+        mAutocomplete = controller;
+    }
+
+    /**
+     * Updates the profile used for generating autocomplete suggestions.
+     * @param profile The profile to be used.
+     */
+    @Override
+    public void setAutocompleteProfile(Profile profile) {
+        // This will only be called once at least one tab exists, and the tab model is told to
+        // update its state. During Chrome initialization the tab model update happens after the
+        // call to onNativeLibraryReady, so this assert will not fire.
+        assert mNativeInitialized :
+                "Setting Autocomplete Profile before native side initialized";
+        mAutocomplete.setProfile(profile);
+        mOmniboxPrerender.initializeForProfile(profile);
+    }
+
+    private void changeLocationBarIcon(boolean showSecurityButton) {
+        if (mLocationBarIconActiveAnimator != null && mLocationBarIconActiveAnimator.isRunning()) {
+            mLocationBarIconActiveAnimator.cancel();
+        }
+        View viewToBeShown = showSecurityButton ? mSecurityButton : mNavigationButton;
+        if (viewToBeShown.getVisibility() == VISIBLE && viewToBeShown.getAlpha() == 1) {
+            return;
+        }
+        if (showSecurityButton) {
+            mLocationBarIconActiveAnimator = mSecurityButtonShowAnimator;
+        } else {
+            mLocationBarIconActiveAnimator = mNavigationIconShowAnimator;
+        }
+        if (shouldAnimateIconChanges()) {
+            mLocationBarIconActiveAnimator.setDuration(URL_FOCUS_CHANGE_ANIMATION_DURATION_MS);
+        } else {
+            mLocationBarIconActiveAnimator.setDuration(0);
+        }
+        mLocationBarIconActiveAnimator.start();
+    }
+
+    @Override
+    public void onUrlPreFocusChanged(boolean gainFocus) {
+        if (mToolbarDataProvider == null || mToolbarDataProvider.getTab() == null) return;
+
+        if (!mQueryInTheOmnibox
+                && FeatureUtilities.isDocumentMode(getContext())
+                && !TextUtils.isEmpty(mUrlBar.getText())) {
+            mUrlBar.setUrl(mToolbarDataProvider.getTab().getUrl(), null);
+        }
+    }
+
+    @Override
+    public void setUrlBarFocus(boolean shouldBeFocused) {
+        if (shouldBeFocused) {
+            mUrlBar.requestFocus();
+        } else {
+            mUrlBar.clearFocus();
+        }
+    }
+
+    @Override
+    public long getFirstUrlBarFocusTime() {
+        return mUrlBar.getFirstFocusTime();
+    }
+
+    /**
+     * Triggered when the URL input field has gained or lost focus.
+     * @param hasFocus Whether the URL field has gained focus.
+     */
+    public void onUrlFocusChange(boolean hasFocus) {
+        mUrlHasFocus = hasFocus;
+        updateFocusSource(hasFocus);
+        updateDeleteButtonVisibility();
+        Tab currentTab = getCurrentTab();
+        if (hasFocus) {
+            mUrlBar.deEmphasizeUrl();
+        } else {
+            hideSuggestions();
+
+            // Focus change caused by a close-tab may result in an invalid current tab.
+            if (currentTab != null) {
+                setUrlToPageUrl();
+                emphasizeUrl();
+            }
+        }
+
+        if (getToolbarDataProvider().isUsingBrandColor()) {
+            updateVisualsForState();
+            if (mUrlHasFocus) mUrlBar.selectAll();
+        }
+
+        if (mUrlFocusChangeListener != null) mUrlFocusChangeListener.onUrlFocusChange(hasFocus);
+        changeLocationBarIcon(
+                (!DeviceFormFactor.isTablet(getContext()) || !hasFocus) && isSecurityButtonShown());
+        mUrlBar.setCursorVisible(hasFocus);
+        if (mQueryInTheOmnibox) mUrlBar.setSelection(mUrlBar.getSelectionEnd());
+
+        updateOmniboxResultsContainer();
+        if (hasFocus) updateOmniboxResultsContainerBackground(true);
+
+        if (hasFocus && currentTab != null && !currentTab.isIncognito()) {
+            if (mNativeInitialized
+                    && TemplateUrlService.getInstance().isDefaultSearchEngineGoogle()) {
+                GeolocationHeader.primeLocationForGeoHeader(getContext());
+            } else {
+                mDeferredNativeRunnables.add(new Runnable() {
+                    @Override
+                    public void run() {
+                        if (TemplateUrlService.getInstance().isDefaultSearchEngineGoogle()) {
+                            GeolocationHeader.primeLocationForGeoHeader(getContext());
+                        }
+                    }
+                });
+            }
+        }
+
+        if (mNativeInitialized) {
+            startZeroSuggest();
+        } else {
+            mDeferredNativeRunnables.add(new Runnable() {
+                @Override
+                public void run() {
+                    if (TextUtils.isEmpty(mUrlBar.getQueryText())) {
+                        startZeroSuggest();
+                    }
+                }
+            });
+        }
+
+        // Add and remove text watcher from the URL bar with focus, so that it's
+        // not called when we modify the displayed information on focus.
+        if (hasFocus) {
+            mUrlBar.addTextChangedListener(mTextWatcher);
+        } else {
+            mUrlBar.removeTextChangedListener(mTextWatcher);
+        }
+
+        if (!hasFocus) {
+            mHasStartedNewOmniboxEditSession = false;
+            mNewOmniboxEditSessionTimestamp = -1;
+        }
+    }
+
+    /**
+     * Make a zero suggest request if native is loaded, the URL bar has focus, and the
+     * current tab is not incognito.
+     */
+    private void startZeroSuggest() {
+        // Reset "edited" state in the omnibox if zero suggest is triggered -- new edits
+        // now count as a new session.
+        mHasStartedNewOmniboxEditSession = false;
+        mNewOmniboxEditSessionTimestamp = -1;
+        Tab currentTab = getCurrentTab();
+        if (mNativeInitialized
+                && mUrlHasFocus
+                && currentTab != null
+                && !currentTab.isIncognito()) {
+            mAutocomplete.startZeroSuggest(currentTab.getProfile(), mUrlBar.getQueryText(),
+                    currentTab.getUrl(), mQueryInTheOmnibox, mUrlFocusedFromFakebox);
+        }
+    }
+
+    @Override
+    public void setDefaultTextEditActionModeCallback(CustomSelectionActionModeCallback callback) {
+        mDefaultActionModeCallbackForTextEdit = callback;
+    }
+
+    /**
+     * If query in the omnibox, sets UrlBar's ActionModeCallback to show copy url button. Else,
+     * it is set to the default one.
+     */
+    private void updateCustomSelectionActionModeCallback() {
+        if (mQueryInTheOmnibox) {
+            mUrlBar.setCustomSelectionActionModeCallback(
+                    mContextualMenuBar.getCustomSelectionActionModeCallback());
+        } else {
+            mUrlBar.setCustomSelectionActionModeCallback(mDefaultActionModeCallbackForTextEdit);
+        }
+    }
+
+    @Override
+    public void requestUrlFocusFromFakebox(String pastedText) {
+        mUrlFocusedFromFakebox = true;
+        mUrlBar.requestFocus();
+
+        if (pastedText != null) {
+            // This must be happen after requestUrlFocus(), which changes the selection.
+            mUrlBar.setUrl(pastedText, null);
+            mUrlBar.setSelection(mUrlBar.getText().length());
+        }
+    }
+
+    /**
+     * Sets the toolbar that owns this LocationBar.
+     */
+    @Override
+    public void setToolbarDataProvider(ToolbarDataProvider toolbarDataProvider) {
+        mToolbarDataProvider = toolbarDataProvider;
+
+        mUrlBar.setOnFocusChangeListener(new View.OnFocusChangeListener() {
+            @Override
+            public void onFocusChange(View v, final boolean hasFocus) {
+                onUrlFocusChange(hasFocus);
+            }
+        });
+    }
+
+    @Override
+    public void setMenuButtonHelper(AppMenuButtonHelper helper) { }
+
+    @Override
+    public View getMenuAnchor() {
+        return null;
+    }
+
+    /**
+     * Sets the URL focus change listner that will be notified when the URL gains or loses focus.
+     * @param listener The listener to be registered.
+     */
+    @Override
+    public void setUrlFocusChangeListener(UrlFocusChangeListener listener) {
+        mUrlFocusChangeListener = listener;
+    }
+
+    /**
+     * @return The toolbar data provider.
+     */
+    @VisibleForTesting
+    protected ToolbarDataProvider getToolbarDataProvider() {
+        return mToolbarDataProvider;
+    }
+
+    private static NavigationButtonType suggestionTypeToNavigationButtonType(
+            OmniboxSuggestion.Type suggestionType) {
+        switch (suggestionType) {
+            case NAVSUGGEST:
+            case HISTORY_URL:
+            case URL_WHAT_YOU_TYPED:
+            case HISTORY_TITLE:
+            case HISTORY_BODY:
+            case HISTORY_KEYWORD:
+                return NavigationButtonType.PAGE;
+            case SEARCH_WHAT_YOU_TYPED:
+            case SEARCH_HISTORY:
+            case SEARCH_SUGGEST:
+            case SEARCH_SUGGEST_ENTITY:
+            case SEARCH_SUGGEST_TAIL:
+            case SEARCH_SUGGEST_PERSONALIZED:
+            case SEARCH_SUGGEST_PROFILE:
+            case VOICE_SUGGEST:
+            case SEARCH_OTHER_ENGINE:
+            case OPEN_HISTORY_PAGE:
+                return NavigationButtonType.MAGNIFIER;
+            default:
+                assert false;
+                return NavigationButtonType.MAGNIFIER;
+        }
+    }
+
+    // Updates the navigation button based on the URL string
+    private void updateNavigationButton() {
+        boolean isTablet = DeviceFormFactor.isTablet(getContext());
+        NavigationButtonType type = NavigationButtonType.EMPTY;
+        if (isTablet && !mSuggestionItems.isEmpty()) {
+            // If there are suggestions showing, show the icon for the default suggestion.
+            type = suggestionTypeToNavigationButtonType(
+                    mSuggestionItems.get(0).getSuggestion().getType());
+        } else if (mQueryInTheOmnibox) {
+            type = NavigationButtonType.MAGNIFIER;
+        } else if (isTablet) {
+            type = NavigationButtonType.PAGE;
+        }
+
+        if (type != mNavigationButtonType) setNavigationButtonType(type);
+    }
+
+    /**
+     * @return Whether the query is shown in the omnibox instead of the url.
+     */
+    public boolean showingQueryInTheOmnibox() {
+        return mQueryInTheOmnibox;
+    }
+
+    /**
+     * @return Whether original url is shown for preview page.
+     */
+    @Override
+    public boolean showingOriginalUrlForPreview() {
+        return mShowingOriginalUrlForPreview;
+    }
+
+    private int getSecurityLevel() {
+        if (getCurrentTab() == null) return ConnectionSecurityHelperSecurityLevel.NONE;
+        return getCurrentTab().getSecurityLevel();
+    }
+
+    /**
+     * Determines the icon that should be displayed for the current security level.
+     * @param securityLevel The security level for which the resource will be returned.
+     * @param usingLightTheme Whether light themed security assets should be used.
+     * @return The resource ID of the icon that should be displayed, 0 if no icon should show.
+     */
+    public static int getSecurityIconResource(int securityLevel, boolean usingLightTheme) {
+        switch (securityLevel) {
+            case ConnectionSecurityHelperSecurityLevel.NONE:
+                return 0;
+            case ConnectionSecurityHelperSecurityLevel.SECURITY_WARNING:
+                return R.drawable.omnibox_https_warning;
+            case ConnectionSecurityHelperSecurityLevel.SECURITY_ERROR:
+                return R.drawable.omnibox_https_invalid;
+            case ConnectionSecurityHelperSecurityLevel.SECURE:
+            case ConnectionSecurityHelperSecurityLevel.EV_SECURE:
+                return usingLightTheme
+                        ? R.drawable.omnibox_https_valid_light : R.drawable.omnibox_https_valid;
+            default:
+                assert false;
+        }
+        return 0;
+    }
+
+    /**
+     * Updates the security icon displayed in the LocationBar.
+     */
+    @Override
+    public void updateSecurityIcon(int securityLevel) {
+        if (showingOriginalUrlForPreview()) {
+            securityLevel = ConnectionSecurityHelperSecurityLevel.NONE;
+        }
+        if (mQueryInTheOmnibox) {
+            if (securityLevel == ConnectionSecurityHelperSecurityLevel.SECURE
+                    || securityLevel == ConnectionSecurityHelperSecurityLevel.EV_SECURE) {
+                securityLevel = ConnectionSecurityHelperSecurityLevel.NONE;
+            } else if (securityLevel == ConnectionSecurityHelperSecurityLevel.SECURITY_WARNING
+                    || securityLevel == ConnectionSecurityHelperSecurityLevel.SECURITY_ERROR) {
+                setUrlToPageUrl();
+            }
+        }
+
+        // ImageView#setImageResource is no-op if given resource is the current one.
+        mSecurityButton.setImageResource(
+                getSecurityIconResource(securityLevel, !shouldEmphasizeHttpsScheme()));
+
+        if (mSecurityIconType == securityLevel) return;
+        mSecurityIconType = securityLevel;
+
+        if (securityLevel == ConnectionSecurityHelperSecurityLevel.NONE) {
+            updateSecurityButton(false);
+        } else {
+            updateSecurityButton(true);
+            // Since we emphasize the schema of the URL based on the security type, we need to
+            // refresh the emphasis.
+            mUrlBar.deEmphasizeUrl();
+        }
+        emphasizeUrl();
+    }
+
+    private void emphasizeUrl() {
+        if (!mQueryInTheOmnibox) mUrlBar.emphasizeUrl();
+    }
+
+    @Override
+    public boolean shouldEmphasizeHttpsScheme() {
+        int securityLevel = getSecurityLevel();
+        if (securityLevel == ConnectionSecurityHelperSecurityLevel.SECURITY_ERROR
+                || securityLevel == ConnectionSecurityHelperSecurityLevel.SECURITY_WARNING
+                || securityLevel == ConnectionSecurityHelperSecurityLevel.SECURITY_POLICY_WARNING) {
+            return true;
+        }
+        if (getToolbarDataProvider().isUsingBrandColor()) return false;
+        if (getToolbarDataProvider().isIncognito()) return false;
+        return true;
+    }
+
+    /**
+     * Updates the display of the security button.
+     * @param enabled Whether the security button should be displayed.
+     */
+    private void updateSecurityButton(boolean enabled) {
+        changeLocationBarIcon(enabled
+                && (!DeviceFormFactor.isTablet(getContext()) || !mUrlHasFocus));
+        mSecurityButtonShown = enabled;
+        updateLocationBarIconContainerVisibility();
+    }
+
+    /**
+     * @return Whether the security button is currently being displayed.
+     */
+    @VisibleForTesting
+    public boolean isSecurityButtonShown() {
+        return mSecurityButtonShown;
+    }
+
+    /**
+     * Sets the type of the current navigation type and updates the UI to match it.
+     * @param buttonType The type of navigation button to be shown.
+     */
+    private void setNavigationButtonType(NavigationButtonType buttonType) {
+        switch (buttonType) {
+            case PAGE:
+                Drawable page = ApiCompatibilityUtils.getDrawable(
+                        getResources(), R.drawable.ic_omnibox_page);
+                page.setColorFilter(mUseDarkColors
+                        ? getResources().getColor(R.color.light_normal_color)
+                        : Color.WHITE, PorterDuff.Mode.SRC_IN);
+                mNavigationButton.setImageDrawable(page);
+                break;
+            case MAGNIFIER:
+                mNavigationButton.setImageResource(R.drawable.ic_omnibox_magnifier);
+                break;
+            case EMPTY:
+                mNavigationButton.setImageResource(0);
+                break;
+            default:
+                assert false;
+        }
+
+        if (mNavigationButton.getVisibility() != VISIBLE) {
+            mNavigationButton.setVisibility(VISIBLE);
+        }
+        mNavigationButtonType = buttonType;
+        updateLocationBarIconContainerVisibility();
+    }
+
+    /**
+     * Update the visibility of the location bar icon container based on the state of the
+     * security and navigation icons.
+     */
+    protected void updateLocationBarIconContainerVisibility() {
+        boolean showContainer =
+                mSecurityButtonShown || mNavigationButtonType != NavigationButtonType.EMPTY;
+        findViewById(R.id.location_bar_icon).setVisibility(showContainer ? VISIBLE : GONE);
+    }
+
+    private boolean isStoredArticle(String url) {
+        DomDistillerService domDistillerService =
+                DomDistillerServiceFactory.getForProfile(Profile.getLastUsedProfile());
+        String entryIdFromUrl = DomDistillerUrlUtils.getValueForKeyInUrl(url, "entry_id");
+        if (TextUtils.isEmpty(entryIdFromUrl)) return false;
+        return domDistillerService.hasEntry(entryIdFromUrl);
+    }
+
+    /**
+     * Updates the layout params for the location bar start aligned views.
+     */
+    protected void updateLayoutParams() {
+        int startMargin = 0;
+        int urlContainerChildIndex = -1;
+        for (int i = 0; i < getChildCount(); i++) {
+            View childView = getChildAt(i);
+            if (childView.getVisibility() != GONE) {
+                LayoutParams childLayoutParams = (LayoutParams) childView.getLayoutParams();
+                if (ApiCompatibilityUtils.getMarginStart(childLayoutParams) != startMargin) {
+                    ApiCompatibilityUtils.setMarginStart(childLayoutParams, startMargin);
+                    childView.setLayoutParams(childLayoutParams);
+                }
+                if (childView == mUrlContainer) {
+                    urlContainerChildIndex = i;
+                    break;
+                }
+                int widthMeasureSpec;
+                int heightMeasureSpec;
+                if (childLayoutParams.width == LayoutParams.WRAP_CONTENT) {
+                    widthMeasureSpec = MeasureSpec.makeMeasureSpec(
+                            getMeasuredWidth(), MeasureSpec.AT_MOST);
+                } else if (childLayoutParams.width == LayoutParams.MATCH_PARENT) {
+                    widthMeasureSpec = MeasureSpec.makeMeasureSpec(
+                            getMeasuredWidth(), MeasureSpec.EXACTLY);
+                } else {
+                    widthMeasureSpec = MeasureSpec.makeMeasureSpec(
+                            childLayoutParams.width, MeasureSpec.EXACTLY);
+                }
+                if (childLayoutParams.height == LayoutParams.WRAP_CONTENT) {
+                    heightMeasureSpec = MeasureSpec.makeMeasureSpec(
+                            getMeasuredHeight(), MeasureSpec.AT_MOST);
+                } else if (childLayoutParams.height == LayoutParams.MATCH_PARENT) {
+                    heightMeasureSpec = MeasureSpec.makeMeasureSpec(
+                            getMeasuredHeight(), MeasureSpec.EXACTLY);
+                } else {
+                    heightMeasureSpec = MeasureSpec.makeMeasureSpec(
+                            childLayoutParams.height, MeasureSpec.EXACTLY);
+                }
+                childView.measure(widthMeasureSpec, heightMeasureSpec);
+                startMargin += childView.getMeasuredWidth();
+            }
+        }
+
+        assert urlContainerChildIndex != -1;
+        int urlContainerMarginEnd = 0;
+        for (int i = urlContainerChildIndex + 1; i < getChildCount(); i++) {
+            View childView = getChildAt(i);
+            if (childView.getVisibility() != GONE) {
+                LayoutParams childLayoutParams = (LayoutParams) childView.getLayoutParams();
+                urlContainerMarginEnd = Math.max(urlContainerMarginEnd,
+                        childLayoutParams.width
+                                + ApiCompatibilityUtils.getMarginStart(childLayoutParams)
+                                + ApiCompatibilityUtils.getMarginEnd(childLayoutParams));
+            }
+        }
+        LayoutParams urlLayoutParams = (LayoutParams) mUrlContainer.getLayoutParams();
+        if (ApiCompatibilityUtils.getMarginEnd(urlLayoutParams) != urlContainerMarginEnd) {
+            ApiCompatibilityUtils.setMarginEnd(urlLayoutParams, urlContainerMarginEnd);
+            mUrlContainer.setLayoutParams(urlLayoutParams);
+        }
+    }
+
+    /**
+     * @return Whether the delete button should be shown.
+     */
+    protected boolean shouldShowDeleteButton() {
+        // Show the delete button at the endon the right when the bar has focus and has some text.
+        return mUrlBar.hasFocus() && !TextUtils.isEmpty(mUrlBar.getText());
+    }
+
+    /**
+     * Updates the display of the delete URL content button.
+     */
+    protected void updateDeleteButtonVisibility() {
+    }
+
+    /**
+     * @return The suggestion list popup containing the omnibox results (or
+     *         null if it has not yet been created).
+     */
+    @VisibleForTesting
+    public OmniboxSuggestionsList getSuggestionList() {
+        return mSuggestionList;
+    }
+
+    /**
+     * Initiates the mSuggestionListPopup.  Done on demand to not slow down
+     * the initial inflation of the location bar.
+     */
+    private void initSuggestionList() {
+        // Only called from onSuggestionsReceived(), which is a callback from a listener set up by
+        // onNativeLibraryReady(), so this assert is safe.
+        assert mNativeInitialized : "Trying to initialize suggestions list before native init";
+        if (mSuggestionList != null) return;
+
+        OnLayoutChangeListener suggestionListResizer = new OnLayoutChangeListener() {
+            @Override
+            public void onLayoutChange(View v, int left, int top, int right, int bottom,
+                    int oldLeft, int oldTop, int oldRight, int oldBottom) {
+                // On ICS, this update does not take affect unless it is posted to the end of the
+                // current message queue.
+                post(new Runnable() {
+                    @Override
+                    public void run() {
+                        if (mSuggestionList.isShown()) mSuggestionList.updateLayoutParams();
+                    }
+                });
+            }
+        };
+        getRootView().findViewById(R.id.control_container)
+                .addOnLayoutChangeListener(suggestionListResizer);
+
+        mSuggestionList = new OmniboxSuggestionsList(getContext());
+        mOmniboxResultsContainer.addView(mSuggestionList);
+        mSuggestionList.setAdapter(mSuggestionListAdapter);
+        mSuggestionList.setClipToPadding(false);
+        mSuggestionListAdapter.setSuggestionDelegate(new OmniboxSuggestionDelegate() {
+            @Override
+            public void onSelection(OmniboxSuggestion suggestion, int position) {
+                mSuggestionSelectionInProgress = true;
+                String suggestionMatchUrl = updateSuggestionUrlIfNeeded(suggestion, position);
+                loadUrlFromOmniboxMatch(suggestionMatchUrl, suggestion.getTransition(), position,
+                        suggestion.getType());
+                hideSuggestions();
+                UiUtils.hideKeyboard(mUrlBar);
+            }
+
+            @Override
+            public void onRefineSuggestion(OmniboxSuggestion suggestion) {
+                stopAutocomplete(false);
+                mUrlBar.setUrl(suggestion.getFillIntoEdit(), null);
+                mUrlBar.setSelection(mUrlBar.getText().length());
+                RecordUserAction.record("MobileOmniboxRefineSuggestion");
+            }
+
+            @Override
+            public void onSetUrlToSuggestion(OmniboxSuggestion suggestion) {
+                if (mIgnoreOmniboxItemSelection) return;
+                setUrlBarText(null, null, suggestion.getFillIntoEdit());
+                mUrlBar.setSelection(mUrlBar.getText().length());
+                mIgnoreOmniboxItemSelection = true;
+            }
+
+            @Override
+            public void onDeleteSuggestion(int position) {
+                if (mAutocomplete != null) mAutocomplete.deleteSuggestion(position);
+            }
+
+            @Override
+            public void onGestureDown() {
+                stopAutocomplete(false);
+            }
+
+            @Override
+            public void onShowModal() {
+                mSuggestionModalShown = true;
+            }
+
+            @Override
+            public void onHideModal() {
+                mSuggestionModalShown = false;
+            }
+
+            @Override
+            public void onTextWidthsUpdated(float requiredWidth, float matchContentsWidth) {
+                mSuggestionList.updateMaxTextWidths(requiredWidth, matchContentsWidth);
+            }
+
+            @Override
+            public float getMaxRequiredWidth() {
+                return mSuggestionList.getMaxRequiredWidth();
+            }
+
+            @Override
+            public float getMaxMatchContentsWidth() {
+                return mSuggestionList.getMaxMatchContentsWidth();
+            }
+        });
+    }
+
+    /**
+     * @return The view that the suggestion popup should be anchored below.
+     */
+    protected View getSuggestionPopupAnchorView() {
+        return this;
+    }
+
+    /**
+     * @return The background for the omnibox suggestions popup.
+     */
+    protected Drawable getSuggestionPopupBackground() {
+        if (mToolbarDataProvider.isIncognito()) {
+            return new ColorDrawable(OMNIBOX_INCOGNITO_RESULTS_BG_COLOR);
+        } else {
+            return new ColorDrawable(OMNIBOX_RESULTS_BG_COLOR);
+        }
+    }
+
+    /**
+     * Handles showing/hiding the suggestions list.
+     * @param visible Whether the suggestions list should be visible.
+     */
+    protected void setSuggestionsListVisibility(final boolean visible) {
+        mSuggestionsShown = visible;
+        if (mSuggestionList != null) {
+            final boolean isShowing = mSuggestionList.isShown();
+            if (visible && !isShowing) {
+                mSuggestionList.show();
+            } else if (!visible && isShowing) {
+                mSuggestionList.setVisibility(GONE);
+            }
+        }
+        updateOmniboxResultsContainer();
+    }
+
+    /**
+     * Updates the URL we will navigate to from suggestion, if needed. This will update the search
+     * URL to be of the corpus type if query in the omnibox is displayed and update aqs= parameter
+     * on regular web search URLs.
+     *
+     * @param suggestion The chosen omnibox suggestion.
+     * @param selectedIndex The index of the chosen omnibox suggestion.
+     * @return The url to navigate to.
+     */
+    private String updateSuggestionUrlIfNeeded(OmniboxSuggestion suggestion, int selectedIndex) {
+        // Only called once we have suggestions, and don't have a listener though which we can
+        // receive suggestions until the native side is ready, so this is safe
+        assert mNativeInitialized
+                : "updateSuggestionUrlIfNeeded called before native initialization";
+
+        String updatedUrl = null;
+        // Only replace URL queries for corpus search refinements, this does not work well
+        // for regular web searches.
+        // TODO(mariakhomenko): improve efficiency by just checking whether corpus exists.
+        if (mQueryInTheOmnibox && !suggestion.isUrlSuggestion()
+                && !TextUtils.isEmpty(mToolbarDataProvider.getCorpusChipText())) {
+            String query = suggestion.getFillIntoEdit();
+            Tab currentTab = getCurrentTab();
+            if (currentTab != null && !TextUtils.isEmpty(currentTab.getUrl())
+                    && !TextUtils.isEmpty(query)) {
+                updatedUrl = TemplateUrlService.getInstance().replaceSearchTermsInUrl(
+                        query, currentTab.getUrl());
+            }
+        } else if (suggestion.getType() != Type.VOICE_SUGGEST) {
+            // TODO(mariakhomenko): Ideally we want to update match destination URL with new aqs
+            // for query in the omnibox and voice suggestions, but it's currently difficult to do.
+            long elapsedTimeSinceInputChange = mNewOmniboxEditSessionTimestamp > 0
+                    ? (SystemClock.elapsedRealtime() - mNewOmniboxEditSessionTimestamp) : -1;
+            updatedUrl = mAutocomplete.updateMatchDestinationUrlWithQueryFormulationTime(
+                    selectedIndex, elapsedTimeSinceInputChange);
+        }
+
+        return updatedUrl == null ? suggestion.getUrl() : updatedUrl;
+    }
+
+    private void clearSuggestions(boolean notifyChange) {
+        mSuggestionItems.clear();
+        // Make sure to notify the adapter. If the ListView becomes out of sync
+        // with its adapter and it has not been notified, it will throw an
+        // exception when some UI events are propagated.
+        if (notifyChange) mSuggestionListAdapter.notifyDataSetChanged();
+    }
+
+    /**
+     * Hides the omnibox suggestion popup.
+     *
+     * <p>
+     * Signals the autocomplete controller to stop generating omnibox suggestions.
+     *
+     * @see AutocompleteController#stop(boolean)
+     */
+    @Override
+    public void hideSuggestions() {
+        if (mAutocomplete == null) return;
+
+        recordSuggestionsDismissed();
+
+        stopAutocomplete(true);
+
+        setSuggestionsListVisibility(false);
+        clearSuggestions(true);
+        updateNavigationButton();
+
+        mSuggestionSelectionInProgress = false;
+    }
+
+    /**
+     * Records a UMA action indicating that the user dismissed the suggestion list (e.g. pressed
+     * the back button or the 'x' button in the Omnibox).  If there was an answer shown its type
+     * is recorded.
+     *
+     * The action is not recorded if mSelectionInProgress is true.   This allows us to avoid
+     * recording the action in the case where the user is selecting a suggestion which is not
+     * considered a dismissal.
+     */
+    private void recordSuggestionsDismissed() {
+        if (mSuggestionSelectionInProgress || mSuggestionItems.size() == 0) return;
+
+        int answerTypeShown = 0;
+        for (int i = 0; i < mSuggestionItems.size(); i++) {
+            OmniboxSuggestion suggestion = mSuggestionItems.get(i).getSuggestion();
+            if (suggestion.hasAnswer()) {
+                try {
+                    answerTypeShown = Integer.parseInt(suggestion.getAnswerType());
+                } catch (NumberFormatException e) {
+                    Log.e(getClass().getSimpleName(),
+                            "Answer type in dismissed suggestions is not an int: "
+                            + suggestion.getAnswerType());
+                }
+                break;
+            }
+        }
+        RecordHistogram.recordSparseSlowlyHistogram(
+                "Omnibox.SuggestionsDismissed.AnswerType", answerTypeShown);
+    }
+
+    /**
+     * Signals the autocomplete controller to stop generating omnibox suggestions and cancels the
+     * queued task to start the autocomplete controller, if any.
+     *
+     * @param clear Whether to clear the most recent autocomplete results.
+     */
+    private void stopAutocomplete(boolean clear) {
+        if (mAutocomplete != null) mAutocomplete.stop(clear);
+        cancelPendingAutocompleteStart();
+    }
+
+    /**
+     * Cancels the queued task to start the autocomplete controller, if any.
+     */
+    private void cancelPendingAutocompleteStart() {
+        if (mRequestSuggestions != null) {
+            // There is a request for suggestions either waiting for the native side
+            // to start, or on the message queue. Remove it from wherever it is.
+            if (!mDeferredNativeRunnables.remove(mRequestSuggestions)) {
+                removeCallbacks(mRequestSuggestions);
+            }
+            mRequestSuggestions = null;
+        }
+    }
+
+    @Override
+    protected void dispatchRestoreInstanceState(SparseArray<Parcelable> container) {
+        // Don't restore the state of the location bar, it can lead to all kind of bad states with
+        // the popup.
+        // When we restore tabs, we focus the selected tab so the URL of the page shows.
+    }
+
+    /**
+     * Performs a search query on the current {@link ChromeTab}.  This calls
+     * {@link TemplateUrlService#getUrlForSearchQuery(String)} to get a url based on {@code query}
+     * and loads that url in the current {@link ChromeTab}.
+     * @param query The {@link String} that represents the text query that should be searched for.
+     */
+    @VisibleForTesting
+    public void performSearchQueryForTest(String query) {
+        if (TextUtils.isEmpty(query)) return;
+
+        String queryUrl = TemplateUrlService.getInstance().getUrlForSearchQuery(query);
+
+        if (!TextUtils.isEmpty(queryUrl)) {
+            loadUrl(queryUrl, PageTransition.GENERATED);
+        } else {
+            setSearchQuery(query);
+        }
+    }
+
+    /**
+     * Sets the query string in the omnibox (ensuring the URL bar has focus and triggering
+     * autocomplete for the specified query) as if the user typed it.
+     *
+     * @param query The query to be set in the omnibox.
+     */
+    public void setSearchQuery(final String query) {
+        if (TextUtils.isEmpty(query)) return;
+
+        if (!mNativeInitialized) {
+            mDeferredNativeRunnables.add(new Runnable() {
+                @Override
+                public void run() {
+                    setSearchQuery(query);
+                }
+            });
+            return;
+        }
+
+        setUrlBarText(null, null, query);
+        mUrlBar.setSelection(0, mUrlBar.getText().length());
+        mUrlBar.requestFocus();
+        stopAutocomplete(false);
+        if (getCurrentTab() != null) {
+            mAutocomplete.start(
+                    getCurrentTab().getProfile(), getCurrentTab().getUrl(), query, false);
+        }
+        post(new Runnable() {
+            @Override
+            public void run() {
+                UiUtils.showKeyboard(mUrlBar);
+            }
+        });
+    }
+
+    /**
+     * Whether {@code v} is a location icon which can be clicked to show the
+     * origin info dialog.
+     */
+    private boolean isLocationIcon(View v) {
+        return v == mSecurityButton || v == mNavigationButton;
+    }
+
+    @Override
+    public void onClick(View v) {
+        if (v == mDeleteButton) {
+            if (!TextUtils.isEmpty(mUrlBar.getQueryText())) {
+                setUrlBarText(null, null, "");
+                hideSuggestions();
+            }
+
+            startZeroSuggest();
+            return;
+        } else if (!mUrlHasFocus && isLocationIcon(v)) {
+            Tab currentTab = getCurrentTab();
+            if (currentTab != null && currentTab.getWebContents() != null) {
+                WebsiteSettingsPopup.show(getContext(), currentTab.getProfile(),
+                        currentTab.getWebContents());
+            }
+        } else if (v == mMicButton) {
+            RecordUserAction.record("MobileOmniboxVoiceSearch");
+            startVoiceRecognition();
+        }
+    }
+
+    /**
+     * Whether we want to be showing inline autocomplete results. We don't want to show them as the
+     * user deletes input. Also if there is a composition (e.g. while using the Japanese IME),
+     * we must not autocomplete or we'll destroy the composition.
+     * @return Whether we want to be showing inline autocomplete results.
+     */
+    private boolean shouldAutocomplete() {
+        if (mLastUrlEditWasDelete) return false;
+        Editable text = mUrlBar.getText();
+
+        return mUrlBar.isCursorAtEndOfTypedText()
+                && BaseInputConnection.getComposingSpanEnd(text)
+                        == BaseInputConnection.getComposingSpanStart(text);
+    }
+
+    @Override
+    public void onSuggestionsReceived(List<OmniboxSuggestion> newSuggestions,
+            String inlineAutocompleteText) {
+        // This is a callback from a listener that is set up by onNativeLibraryReady,
+        // so can only be called once the native side is set up.
+        assert mNativeInitialized : "Suggestions received before native side intialialized";
+
+        if (getCurrentTab() == null) {
+            // If the current tab is not available, drop the suggestions and hide the autocomplete.
+            hideSuggestions();
+            return;
+        }
+
+        String userText = mUrlBar.getTextWithoutAutocomplete();
+        mUrlTextAfterSuggestionsReceived = userText + inlineAutocompleteText;
+
+        boolean itemsChanged = false;
+        boolean itemCountChanged = false;
+        // If the length of the incoming suggestions matches that of those currently being shown,
+        // replace them inline to allow transient entries to retain their proper highlighting.
+        if (mSuggestionItems.size() == newSuggestions.size()) {
+            for (int index = 0; index < newSuggestions.size(); index++) {
+                OmniboxResultItem suggestionItem = mSuggestionItems.get(index);
+                OmniboxSuggestion suggestion = suggestionItem.getSuggestion();
+                OmniboxSuggestion newSuggestion = newSuggestions.get(index);
+                // Determine whether the suggestions have changed. If not, save some time by not
+                // redrawing the suggestions UI.
+                if (suggestion.equals(newSuggestion)
+                        && suggestion.getType() != OmniboxSuggestion.Type.SEARCH_SUGGEST_TAIL) {
+                    if (suggestionItem.getMatchedQuery().equals(userText)) {
+                        continue;
+                    } else if (!suggestion.getDisplayText().startsWith(userText)
+                            && !suggestion.getUrl().contains(userText)) {
+                        continue;
+                    }
+                }
+                mSuggestionItems.set(index, new OmniboxResultItem(newSuggestion, userText));
+                itemsChanged = true;
+            }
+        } else {
+            itemsChanged = true;
+            itemCountChanged = true;
+            clearSuggestions(false);
+            for (int i = 0; i < newSuggestions.size(); i++) {
+                mSuggestionItems.add(new OmniboxResultItem(newSuggestions.get(i), userText));
+            }
+        }
+
+        if (mSuggestionItems.isEmpty()) {
+            if (mSuggestionsShown) hideSuggestions();
+            return;
+        }
+
+        if (shouldAutocomplete()) {
+            mUrlBar.setAutocompleteText(userText, inlineAutocompleteText);
+        }
+
+        // Show the suggestion list.
+        initSuggestionList();  // It may not have been initialized yet.
+        mSuggestionList.resetMaxTextWidths();
+
+        if (itemsChanged) mSuggestionListAdapter.notifySuggestionsChanged();
+        if (mUrlBar.hasFocus()) {
+            setSuggestionsListVisibility(true);
+            if (itemCountChanged) {
+                mSuggestionList.updateLayoutParams();
+            }
+        }
+
+        // Update the navigation button to show the default suggestion's icon.
+        updateNavigationButton();
+
+        if (!CommandLine.getInstance().hasSwitch(ChromeSwitches.DISABLE_INSTANT)
+                && PrivacyPreferencesManager.getInstance(getContext()).shouldPrerender()) {
+            mOmniboxPrerender.prerenderMaybe(
+                    userText,
+                    getOriginalUrl(),
+                    mAutocomplete.getCurrentNativeAutocompleteResult(),
+                    getCurrentTab().getProfile(),
+                    getCurrentTab());
+        }
+    }
+
+    @Override
+    public void backKeyPressed() {
+        hideSuggestions();
+        UiUtils.hideKeyboard(mUrlBar);
+        // Revert the URL to match the current page.
+        setUrlToPageUrl();
+        // Focus the page.
+        Tab currentTab = getCurrentTab();
+        if (currentTab != null) currentTab.requestFocus();
+    }
+
+    /**
+     * @return Returns the original url of the page.
+     */
+    public String getOriginalUrl() {
+        return mOriginalUrl;
+    }
+
+    /**
+     * Given the URL display text, this will remove any path portion contained within.
+     * @param displayText The text to strip the path from.
+     * @return A pair where the first item is the text without any path content (if the path was
+     *         successfully found), and the second item is the path content (or null if no path
+     *         was found or parsing the path failed).
+     * @see ToolbarDataProvider#getText()
+     */
+    // TODO(tedchoc): Move this logic into the original display text calculation.
+    @VisibleForTesting
+    public static Pair<String, String> splitPathFromUrlDisplayText(String displayText) {
+        int pathSearchOffset = 0;
+        Uri uri = Uri.parse(displayText);
+        String scheme = uri.getScheme();
+        if (!TextUtils.isEmpty(scheme)) {
+            if (UNSUPPORTED_SCHEMES_TO_SPLIT.contains(scheme)) {
+                return Pair.create(displayText, null);
+            } else if (ACCEPTED_SCHEMES.contains(scheme)) {
+                for (pathSearchOffset = scheme.length();
+                        pathSearchOffset < displayText.length();
+                        pathSearchOffset++) {
+                    char c = displayText.charAt(pathSearchOffset);
+                    if (c != ':' && c != '/') break;
+                }
+            }
+        }
+        int pathOffset = -1;
+        if (pathSearchOffset < displayText.length()) {
+            pathOffset = displayText.indexOf('/', pathSearchOffset);
+        }
+        if (pathOffset != -1) {
+            String prePathText = displayText.substring(0, pathOffset);
+            // If the '/' is the last character and the beginning of the path, then just drop
+            // the path entirely.
+            String pathText = pathOffset == displayText.length() - 1
+                    ? null : displayText.substring(pathOffset);
+            return Pair.create(prePathText, pathText);
+        }
+        return Pair.create(displayText, null);
+    }
+
+    /**
+     * Sets the displayed URL to be the URL of the page currently showing.
+     *
+     * <p>The URL is converted to the most user friendly format (removing HTTP:// for example).
+     *
+     * <p>If the current tab is null, the URL text will be cleared.
+     */
+    @Override
+    public void setUrlToPageUrl() {
+        // If the URL is currently focused, do not replace the text they have entered with the URL.
+        // Once they stop editing the URL, the current tab's URL will automatically be filled in.
+        if (mUrlBar.hasFocus()) return;
+
+        mQueryInTheOmnibox = false;
+
+        if (getCurrentTab() == null) {
+            setUrlBarText(null, null, "");
+            return;
+        }
+
+        // Profile may be null if switching to a tab that has not yet been initialized.
+        Profile profile = getCurrentTab().getProfile();
+        if (profile != null) mOmniboxPrerender.clear(profile);
+
+        String url = getCurrentTab().getUrl().trim();
+        mOriginalUrl = url;
+
+        if (NativePageFactory.isNativePageUrl(url, getCurrentTab().isIncognito())) {
+            // Don't show anything for Chrome URLs.
+            setUrlBarText("", null, null);
+            return;
+        }
+
+        // Background view has similar case as snapshot.
+        BackgroundContentViewHelper backgroundViewHelper =
+                getCurrentTab().getBackgroundContentViewHelper();
+        boolean hasPendingBackgroundPage =
+                backgroundViewHelper != null && backgroundViewHelper.hasPendingBackgroundPage();
+        boolean isTransitioningFromPreviewPageToOriginal =
+                showingOriginalUrlForPreview() && !hasPendingBackgroundPage;
+        mShowingOriginalUrlForPreview = hasPendingBackgroundPage;
+
+        boolean showingQuery = false;
+        String displayText = mToolbarDataProvider.getText();
+        int securityLevel = getSecurityLevel();
+        if (securityLevel != ConnectionSecurityHelperSecurityLevel.SECURITY_ERROR
+                && !TextUtils.isEmpty(displayText)
+                && mToolbarDataProvider.wouldReplaceURL()) {
+            url = displayText.trim();
+            showingQuery = true;
+            mQueryInTheOmnibox = true;
+        }
+        String path = null;
+        if (!showingQuery && FeatureUtilities.isDocumentMode(getContext())) {
+            Pair<String, String> urlText = splitPathFromUrlDisplayText(displayText);
+            displayText = urlText.first;
+            path = urlText.second;
+        }
+
+        if (DomDistillerUrlUtils.isDistilledPage(url)) {
+            if (isStoredArticle(url)) {
+                DomDistillerService domDistillerService =
+                        DomDistillerServiceFactory.getForProfile(profile);
+                String originalUrl = domDistillerService.getUrlForEntry(
+                        DomDistillerUrlUtils.getValueForKeyInUrl(url, "entry_id"));
+                displayText =
+                        DomDistillerTabUtils.getFormattedUrlFromOriginalDistillerUrl(originalUrl);
+            } else if (DomDistillerUrlUtils.getOriginalUrlFromDistillerUrl(url) != null) {
+                String originalUrl = DomDistillerUrlUtils.getOriginalUrlFromDistillerUrl(url);
+                displayText =
+                        DomDistillerTabUtils.getFormattedUrlFromOriginalDistillerUrl(originalUrl);
+            }
+        }
+
+        if (setUrlBarText(displayText, path, url) || isTransitioningFromPreviewPageToOriginal) {
+            mUrlBar.deEmphasizeUrl();
+            emphasizeUrl();
+        }
+        if (showingQuery) {
+            updateNavigationButton();
+        }
+        updateCustomSelectionActionModeCallback();
+    }
+
+    /**
+     * Changes the text on the url bar
+     * @param displayText The text (URL or search terms) for user display.
+     * @param trailingText The trailing text (path portion of the URL) to be displayed separately.
+     * @param text The original text (URL or search terms) for copy/cut.
+     * @return Whether the URL was changed as a result of this call.
+     */
+    private boolean setUrlBarText(String displayText, String trailingText, String text) {
+        mIgnoreURLBarModification = true;
+        boolean urlChanged = mUrlContainer.setUrlText(displayText, trailingText, text);
+        mIgnoreURLBarModification = false;
+        return urlChanged;
+    }
+
+    /**
+     * Sets whether modifications to the URL bar should be ignored.
+     */
+    @Override
+    public void setIgnoreURLBarModification(boolean value) {
+        mIgnoreURLBarModification = value;
+    }
+
+    private void loadUrlFromOmniboxMatch(String url, int transition, int matchPosition,
+            OmniboxSuggestion.Type type) {
+        // loadUrl modifies AutocompleteController's state clearing the native
+        // AutocompleteResults needed by onSuggestionsSelected. Therefore,
+        // loadUrl should should be invoked last.
+        Tab currentTab = getCurrentTab();
+        String currentPageUrl = currentTab != null ? currentTab.getUrl() : "";
+        WebContents webContents = currentTab != null ? currentTab.getWebContents() : null;
+        long elapsedTimeSinceModified = mNewOmniboxEditSessionTimestamp > 0
+                ? (SystemClock.elapsedRealtime() - mNewOmniboxEditSessionTimestamp) : -1;
+        mAutocomplete.onSuggestionSelected(matchPosition, type, currentPageUrl,
+                mQueryInTheOmnibox, mUrlFocusedFromFakebox, elapsedTimeSinceModified,
+                webContents);
+        loadUrl(url, transition);
+    }
+
+    private void loadUrl(String url, int transition) {
+        Tab currentTab = getCurrentTab();
+
+        // The code of the rest of this class ensures that this can't be called until the native
+        // side is initialized
+        assert mNativeInitialized : "Loading URL before native side initialized";
+
+        if (currentTab != null
+                && (currentTab.isNativePage() || NewTabPage.isNTPUrl(currentTab.getUrl()))) {
+            NewTabPageUma.recordOmniboxNavigation(url, transition);
+            // Passing in an empty string should not do anything unless the user is at the NTP.
+            // Since the NTP has no url, pressing enter while clicking on the URL bar should refresh
+            // the page as it does when you click and press enter on any other site.
+            if (url.isEmpty()) url = currentTab.getUrl();
+        }
+
+        // Loads the |url| in the current ContentView and gives focus to the ContentView.
+        if (currentTab != null && !url.isEmpty()) {
+            LoadUrlParams loadUrlParams = new LoadUrlParams(url);
+            loadUrlParams.setVerbatimHeaders(
+                    GeolocationHeader.getGeoHeader(getContext(), url, currentTab.isIncognito()));
+            loadUrlParams.setTransitionType(transition | PageTransition.FROM_ADDRESS_BAR);
+            currentTab.loadUrl(loadUrlParams);
+
+            setUrlToPageUrl();
+            RecordUserAction.record("MobileOmniboxSearch");
+            RecordUserAction.record("MobileTabClobbered");
+        } else {
+            setUrlToPageUrl();
+        }
+
+        if (currentTab != null) currentTab.requestFocus();
+
+        // Prevent any upcoming omnibox suggestions from showing. We have to do this after we load
+        // the URL as this will hide the suggestions and trigger a cancel of the prerendered page.
+        stopAutocomplete(true);
+    }
+
+    /**
+     * Update the location bar visuals based on a loading state change.
+     * @param updateUrl Whether to update the URL as a result of the this call.
+     */
+    @Override
+    public void updateLoadingState(boolean updateUrl) {
+        if (updateUrl) setUrlToPageUrl();
+        updateNavigationButton();
+        updateSecurityIcon(getSecurityLevel());
+    }
+
+    /**
+     * @return The ChromeTab currently showing.
+     */
+    @Override
+    public ChromeTab getCurrentTab() {
+        if (mToolbarDataProvider == null) return null;
+        return ChromeTab.fromTab(mToolbarDataProvider.getTab());
+    }
+
+    private ContentViewCore getContentViewCore() {
+        Tab currentTab = getCurrentTab();
+        return currentTab != null ? currentTab.getContentViewCore() : null;
+    }
+
+    private void updateOmniboxResultsContainer() {
+        if (mSuggestionsShown || mUrlHasFocus) {
+            if (mOmniboxResultsContainer == null) {
+                ViewStub overlayStub =
+                        (ViewStub) getRootView().findViewById(R.id.omnibox_results_container_stub);
+                mOmniboxResultsContainer = (ViewGroup) overlayStub.inflate();
+                mOmniboxResultsContainer.setBackgroundColor(CONTENT_OVERLAY_COLOR);
+                // Prevent touch events from propagating down to the chrome view.
+                mOmniboxResultsContainer.setOnTouchListener(new OnTouchListener() {
+                    @Override
+                    @SuppressLint("ClickableViewAccessibility")
+                    public boolean onTouch(View v, MotionEvent event) {
+                        int action = event.getActionMasked();
+                        if (action == MotionEvent.ACTION_CANCEL
+                                || action == MotionEvent.ACTION_UP) {
+                            mUrlBar.clearFocus();
+                            updateOmniboxResultsContainerBackground(false);
+                        }
+                        return true;
+                    }
+                });
+            }
+            updateOmniboxResultsContainerVisibility(true);
+        } else if (mOmniboxResultsContainer != null) {
+            updateOmniboxResultsContainerBackground(false);
+        }
+    }
+
+    private void updateOmniboxResultsContainerVisibility(boolean visible) {
+        boolean currentlyVisible = mOmniboxResultsContainer.getVisibility() == VISIBLE;
+        if (currentlyVisible == visible) {
+            // This early return is necessary. Otherwise, calling
+            // updateOmniboxResultsContainerVisibility(true) twice in a row will update
+            // mFocusedTabImportantForAccessibilityState incorrectly and cause
+            // mFocusedTabView to be stuck in IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS mode.
+            // http://crbug.com/445560
+            return;
+        }
+
+        if (visible) {
+            mOmniboxResultsContainer.setVisibility(VISIBLE);
+
+            if (getContentViewCore() != null) {
+                mFocusedTabAccessibilityManager =
+                        getContentViewCore().getBrowserAccessibilityManager();
+                if (mFocusedTabAccessibilityManager != null) {
+                    mFocusedTabAccessibilityManager.setVisible(false);
+                }
+            }
+
+            if (getCurrentTab() != null && getCurrentTab().getView() != null) {
+                mFocusedTabView = getCurrentTab().getView();
+                mFocusedTabImportantForAccessibilityState =
+                        mFocusedTabView.getImportantForAccessibility();
+                mFocusedTabView.setImportantForAccessibility(
+                        IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS);
+            }
+        } else {
+            mOmniboxResultsContainer.setVisibility(INVISIBLE);
+
+            if (mFocusedTabAccessibilityManager != null) {
+                mFocusedTabAccessibilityManager.setVisible(true);
+                mFocusedTabAccessibilityManager = null;
+            }
+
+            if (mFocusedTabView != null) {
+                mFocusedTabView.setImportantForAccessibility(
+                        mFocusedTabImportantForAccessibilityState);
+                mFocusedTabView = null;
+            }
+        }
+    }
+
+    /**
+     * Set the background of the omnibox results container.
+     * @param visible Whether the background should be made visible.
+     */
+    private void updateOmniboxResultsContainerBackground(boolean visible) {
+        if (getToolbarDataProvider() == null) return;
+
+        NewTabPage ntp = getToolbarDataProvider().getNewTabPageForCurrentTab();
+        boolean locationBarShownInNTP = ntp != null && ntp.isLocationBarShownInNTP();
+        if (visible) {
+            if (locationBarShownInNTP) {
+                mOmniboxResultsContainer.getBackground().setAlpha(0);
+            } else {
+                fadeInOmniboxResultsContainerBackground();
+            }
+        } else {
+            if (locationBarShownInNTP) {
+                updateOmniboxResultsContainerVisibility(false);
+            } else {
+                fadeOutOmniboxResultsContainerBackground();
+            }
+        }
+    }
+
+    /**
+     * Trigger a fade in of the omnibox results background.
+     */
+    protected void fadeInOmniboxResultsContainerBackground() {
+        if (mFadeInOmniboxBackgroundAnimator == null) {
+            mFadeInOmniboxBackgroundAnimator = ObjectAnimator.ofInt(
+                    getRootView().findViewById(R.id.omnibox_results_container).getBackground(),
+                    "alpha", 0, 255);
+            mFadeInOmniboxBackgroundAnimator.setDuration(OMNIBOX_CONTAINER_BACKGROUND_FADE_MS);
+            mFadeInOmniboxBackgroundAnimator.setInterpolator(
+                    BakedBezierInterpolator.FADE_IN_CURVE);
+        }
+        runOmniboxResultsFadeAnimation(mFadeInOmniboxBackgroundAnimator);
+    }
+
+    private void fadeOutOmniboxResultsContainerBackground() {
+        if (mFadeOutOmniboxBackgroundAnimator == null) {
+            mFadeOutOmniboxBackgroundAnimator = ObjectAnimator.ofInt(
+                    getRootView().findViewById(R.id.omnibox_results_container).getBackground(),
+                    "alpha", 255, 0);
+            mFadeOutOmniboxBackgroundAnimator.setDuration(OMNIBOX_CONTAINER_BACKGROUND_FADE_MS);
+            mFadeOutOmniboxBackgroundAnimator.setInterpolator(
+                    BakedBezierInterpolator.FADE_OUT_CURVE);
+            mFadeOutOmniboxBackgroundAnimator.addListener(new AnimatorListenerAdapter() {
+                private boolean mIsCancelled;
+
+                @Override
+                public void onAnimationStart(Animator animation) {
+                    mIsCancelled = false;
+                }
+
+                @Override
+                public void onAnimationCancel(Animator animation) {
+                    mIsCancelled = true;
+                }
+
+                @Override
+                public void onAnimationEnd(Animator animation) {
+                    if (mIsCancelled) return;
+                    updateOmniboxResultsContainerVisibility(false);
+                }
+            });
+        }
+        runOmniboxResultsFadeAnimation(mFadeOutOmniboxBackgroundAnimator);
+    }
+
+    private void runOmniboxResultsFadeAnimation(Animator fadeAnimation) {
+        if (mOmniboxBackgroundAnimator == fadeAnimation
+                && mOmniboxBackgroundAnimator.isRunning()) {
+            return;
+        } else if (mOmniboxBackgroundAnimator != null) {
+            mOmniboxBackgroundAnimator.cancel();
+        }
+        mOmniboxBackgroundAnimator = fadeAnimation;
+        mOmniboxBackgroundAnimator.start();
+    }
+
+    /**
+     * @return Whether voice search is supported in the current browser configuration.
+     */
+    protected boolean isVoiceSearchEnabled() {
+        return mToolbarDataProvider != null && !mToolbarDataProvider.isIncognito()
+                && FeatureUtilities.isRecognitionIntentPresent(getContext(), true);
+    }
+
+    @Override
+    protected void onWindowVisibilityChanged(int visibility) {
+        super.onWindowVisibilityChanged(visibility);
+        if (visibility == View.VISIBLE) updateMicButtonState();
+    }
+
+    /**
+     * Call to notify the location bar that the state of the voice search microphone button may
+     * need to be updated.
+     */
+    @Override
+    public void updateMicButtonState() {
+        mMicButton.setVisibility(isVoiceSearchEnabled() ? View.VISIBLE : View.GONE);
+    }
+
+    /**
+     * Call to force the UI to update the state of various buttons based on whether or not the
+     * current tab is incognito.
+     */
+    @Override
+    public void updateVisualsForState() {
+        if (updateUseDarkColors() || getToolbarDataProvider().isUsingBrandColor()) {
+            updateSecurityIcon(getSecurityLevel());
+        }
+        ColorStateList colorStateList = getResources().getColorStateList(mUseDarkColors
+                ? R.color.dark_mode_tint : R.color.light_mode_tint);
+        mMicButton.setTint(colorStateList);
+        mDeleteButton.setTint(colorStateList);
+
+        setNavigationButtonType(mNavigationButtonType);
+        mUrlContainer.setUseDarkTextColors(mUseDarkColors);
+
+        if (mSuggestionList != null) {
+            mSuggestionList.setBackground(getSuggestionPopupBackground());
+        }
+        mSuggestionListAdapter.setUseDarkColors(mUseDarkColors);
+    }
+
+    /**
+     * Checks the current specs and updates {@link LocationBar#mUseDarkColors} if necessary.
+     * @return Whether {@link LocationBar#mUseDarkColors} has been updated.
+     */
+    private boolean updateUseDarkColors() {
+        Tab tab = getCurrentTab();
+        boolean brandColorNeedsLightText = false;
+        if (getToolbarDataProvider().isUsingBrandColor() && !mUrlHasFocus) {
+            int currentPrimaryColor = getToolbarDataProvider().getPrimaryColor();
+            brandColorNeedsLightText =
+                    BrandColorUtils.shouldUseLightDrawablesForToolbar(currentPrimaryColor);
+        }
+
+        boolean useDarkColors = tab == null || !(tab.isIncognito() || brandColorNeedsLightText);
+        boolean hasChanged = useDarkColors != mUseDarkColors;
+        mUseDarkColors = useDarkColors;
+
+        return hasChanged;
+    }
+
+    /**
+     * Triggers a voice recognition intent to allow the user to specify a search query.
+     */
+    @Override
+    public void startVoiceRecognition() {
+        Activity activity = mWindowAndroid.getActivity().get();
+        if (activity == null) return;
+
+        Intent intent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
+        intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL,
+                RecognizerIntent.LANGUAGE_MODEL_WEB_SEARCH);
+        intent.putExtra(RecognizerIntent.EXTRA_CALLING_PACKAGE,
+                activity.getComponentName().flattenToString());
+        intent.putExtra(RecognizerIntent.EXTRA_WEB_SEARCH_ONLY, true);
+
+        if (mWindowAndroid.showCancelableIntent(intent, this, R.string.voice_search_error) < 0) {
+            // Requery whether or not the recognition intent can be handled.
+            FeatureUtilities.isRecognitionIntentPresent(activity, false);
+            updateMicButtonState();
+        }
+    }
+
+    // WindowAndroid.IntentCallback implementation:
+    @Override
+    public void onIntentCompleted(WindowAndroid window, int resultCode,
+            ContentResolver contentResolver, Intent data) {
+        if (resultCode != Activity.RESULT_OK) return;
+        if (data.getExtras() == null) return;
+
+        VoiceResult topResult = mAutocomplete.onVoiceResults(data.getExtras());
+        if (topResult == null) return;
+
+        String topResultQuery = topResult.getMatch();
+        if (TextUtils.isEmpty(topResultQuery)) return;
+
+        if (topResult.getConfidence() < VOICE_SEARCH_CONFIDENCE_NAVIGATE_THRESHOLD) {
+            setSearchQuery(topResultQuery);
+            return;
+        }
+
+        String url = AutocompleteController.nativeQualifyPartialURLQuery(topResultQuery);
+        if (url == null) {
+            url = TemplateUrlService.getInstance().getUrlForVoiceSearchQuery(
+                    topResultQuery);
+        }
+        loadUrl(url, PageTransition.TYPED);
+    }
+
+    /**
+     * Tracks how the URL bar was focused (i.e. from the omnibox or the fakebox) and records a UMA
+     * stat for this. Should be called whenever the URL bar gains or loses focus.
+     * @param hasFocus Whether the URL bar now has focus.
+     */
+    private void updateFocusSource(boolean hasFocus) {
+        if (!hasFocus) {
+            mUrlFocusedFromFakebox = false;
+            mHasRecordedUrlFocusSource = false;
+            return;
+        }
+
+        // Record UMA event for how the URL bar was focused.
+        assert !mHasRecordedUrlFocusSource;
+        if (mHasRecordedUrlFocusSource) return;
+
+        Tab currentTab = getCurrentTab();
+        if (currentTab == null) return;
+
+        String url = currentTab.getUrl();
+        if (mUrlFocusedFromFakebox) {
+            RecordUserAction.record("MobileFocusedFakeboxOnNtp");
+        } else {
+            if (currentTab.isNativePage() && NewTabPage.isNTPUrl(url)) {
+                RecordUserAction.record("MobileFocusedOmniboxOnNtp");
+            } else {
+                RecordUserAction.record("MobileFocusedOmniboxNotOnNtp");
+            }
+        }
+        mHasRecordedUrlFocusSource = true;
+    }
+
+    @Override
+    public void onTabLoadingNTP(NewTabPage ntp) {
+        ntp.setFakeboxDelegate(this);
+    }
+
+    @Override
+    public View getContainerView() {
+        return this;
+    }
+}