Remove Lo-Fi snackbar code

chrome/android/java/src/org/chromium/chrome/browser/tab/Tab.java

Index: chrome/android/java/src/org/chromium/chrome/browser/tab/Tab.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/tab/Tab.java b/chrome/android/java/src/org/chromium/chrome/browser/tab/Tab.java
index f97f467908e0ad2af404f8aed63c22a52cd2777b..cd2483c6a21fab6f8fc74a00b6e3fb54a8f00278 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/tab/Tab.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/tab/Tab.java
@@ -32,7 +32,6 @@ import org.chromium.base.ApplicationStatus;
 import org.chromium.base.ContextUtils;
 import org.chromium.base.ObserverList;
 import org.chromium.base.ObserverList.RewindableIterator;
-import org.chromium.base.ThreadUtils;
 import org.chromium.base.TraceEvent;
 import org.chromium.base.VisibleForTesting;
 import org.chromium.base.annotations.CalledByNative;
@@ -74,7 +73,6 @@ import org.chromium.chrome.browser.printing.TabPrinter;
 import org.chromium.chrome.browser.profiles.Profile;
 import org.chromium.chrome.browser.rlz.RevenueStats;
 import org.chromium.chrome.browser.search_engines.TemplateUrlService;
-import org.chromium.chrome.browser.snackbar.LofiBarController;
 import org.chromium.chrome.browser.snackbar.SnackbarManager;
 import org.chromium.chrome.browser.ssl.SecurityStateModel;
 import org.chromium.chrome.browser.tab.TabUma.TabCreationState;
@@ -382,8 +380,6 @@ public class Tab implements ViewGroup.OnHierarchyChangeListener,
 
     protected Handler mHandler;
 
-    private LofiBarController mLoFiBarController;
-
     /** Whether or not the tab closing the tab can send the user back to the app that opened it. */
     private boolean mIsAllowedToReturnToExternalApp;
 
@@ -1032,16 +1028,6 @@ public class Tab implements ViewGroup.OnHierarchyChangeListener,
     }
 
     /**
-     * Reloads the current page content with Lo-Fi off.
-     * This version ignores the cache and reloads from the network.
-     */
-    public void reloadDisableLoFi() {
-        if (getWebContents() != null) {
-            getWebContents().getNavigationController().reloadDisableLoFi(true);
-        }
-    }
-
-    /**
      * Reloads all the Lo-Fi images in this Tab's WebContents.
      * This version ignores the cache and reloads from the network.
      */
@@ -1768,10 +1754,6 @@ public class Tab implements ViewGroup.OnHierarchyChangeListener,
     protected void didStartPageLoad(String validatedUrl, boolean showingErrorPage) {
         mIsFullscreenWaitingForLoad = !DomDistillerUrlUtils.isDistilledPage(validatedUrl);
 
-        if (getLoFiBarController() != null) {
-            mLoFiBarController.resetLoFiPopupShownForPageLoad();
-        }
-
         updateTitle();
         removeSadTabIfPresent();
 
@@ -2520,15 +2502,6 @@ public class Tab implements ViewGroup.OnHierarchyChangeListener,
         return getActivity().getSnackbarManager();
     }
 
-    private LofiBarController getLoFiBarController() {
-        ThreadUtils.assertOnUiThread();
-        if (mLoFiBarController == null && getSnackbarManager() != null) {
-            mLoFiBarController =
-                    new LofiBarController(mThemedApplicationContext, getSnackbarManager());
-        }
-        return mLoFiBarController;
-    }
-
     /**
      * @return The native pointer representing the native side of this {@link Tab} object.
      */
@@ -2974,18 +2947,6 @@ public class Tab implements ViewGroup.OnHierarchyChangeListener,
     }
 
     /**
-     * If a Lo-Fi snackbar has not been shown yet for this page load, a Lo-Fi snackbar is shown.
-     *
-     * @param isPreview Whether the Lo-Fi response was a preview response.
-     */
-    @CalledByNative
-    public void onLoFiResponseReceived(boolean isPreview) {
-        if (getLoFiBarController() != null) {
-            mLoFiBarController.maybeCreateLoFiBar(this, isPreview);
-        }
-    }
-
-    /**
      * Request that this tab receive focus. Currently, this function requests focus for the main
      * View (usually a ContentView).
      */