[Andorid] Migrate to ClipDrawable progress bar.

chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarModelImpl.java

 // 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.toolbar;
 
 import android.content.Context;
 
 import org.chromium.base.ApplicationStatus;
 import org.chromium.chrome.R;
 import org.chromium.chrome.browser.Tab;
 import org.chromium.chrome.browser.ntp.NewTabPage;
 import org.chromium.chrome.browser.tab.BackgroundContentViewHelper;
 import org.chromium.chrome.browser.tab.ChromeTab;
 import org.chromium.chrome.browser.toolbar.ToolbarModel.ToolbarModelDelegate;
 import org.chromium.chrome.browser.util.FeatureUtilities;
 import org.chromium.content_public.browser.WebContents;
 
 /**
  * Contains the data and state for the toolbar.
  */
 class ToolbarModelImpl extends ToolbarModel implements ToolbarDataProvider, ToolbarModelDelegate {
 
     private ChromeTab mTab;
     private boolean mIsIncognito;
-    private int mLoadProgress;
     private int mPrimaryColor;
     private boolean mIsUsingBrandColor;
 
     /**
      * Handle any initialization that must occur after native has been initialized.
      */
     public void initializeWithNative() {
         initialize(this);
     }
 
@@ skipping 40 matching lines @@
         }
         return null;
     }
 
     @Override
     public boolean isIncognito() {
         return mIsIncognito;
     }
 
     /**
-     * Set the load progress for the current tab.
-     * @param progress The loading progress for the tab.
-     */
-    public void setLoadProgress(int progress) {
-        assert progress >= 0;
-        assert progress <= 100;
-
-        mLoadProgress = progress;
-    }
-
-    @Override
-    public int getLoadProgress() {
-        return mLoadProgress;
-    }
-
-    /**
      * Sets the primary color and changes the state for isUsingBrandColor.
      * @param color The primary color for the current tab.
      */
     public void setPrimaryColor(int color) {
         mPrimaryColor = color;
         Context context = ApplicationStatus.getApplicationContext();
         mIsUsingBrandColor = FeatureUtilities.isDocumentMode(context)
                 && !isIncognito()
                 && mPrimaryColor != context.getResources().getColor(R.color.default_primary_color)
                 && getTab() != null && !getTab().isNativePage();
     }
 
     @Override
     public int getPrimaryColor() {
         return mPrimaryColor;
     }
 
     @Override
     public boolean isUsingBrandColor() {
         return mIsUsingBrandColor;
     }
 }