Remove obsolete BottomSheet methods

This change removes three methods from BottomSheet.java

Bug: 814528
Change-Id: Ib03a1ce24e41a69dd8124daabe8355196e82d072
Reviewed-on: https://chromium-review.googlesource.com/956264Reviewed-by: Matthew Jones <mdjones@chromium.org>
Reviewed-by: Ted Choc <tedchoc@chromium.org>
Commit-Queue: Pedro Amaral <amaralp@chromium.org>
Cr-Commit-Position: refs/heads/master@{#542895}

chrome/android/java/src/org/chromium/chrome/browser/ChromeTabbedActivity.java

@@ -887,10 +887,6 @@ public class ChromeTabbedActivity
         int accessibilityStringId = R.string.iph_download_home_accessibility_text;
         if (FeatureUtilities.isChromeHomeEnabled()) {
             accessibilityStringId = R.string.iph_download_home_accessibility_text_chrome_home;
-            if (getBottomSheet().isUsingExpandButton()) {
-                accessibilityStringId =
-                        R.string.iph_download_home_accessibility_text_chrome_home_expand;
-            }
         }
 
         View anchorView = getToolbarAnchorViewForDownloadHomeTextBubble();
@@ -905,21 +901,15 @@ public class ChromeTabbedActivity
 
         turnOnHighlightForDownloadHomeTextBubble();
 
-        boolean isChromeHomeExpandButtonEnabled =
-                FeatureUtilities.isChromeHomeEnabled() && getBottomSheet().isUsingExpandButton();
-
         int yInsetPx =
                 getResources().getDimensionPixelOffset(R.dimen.text_bubble_menu_anchor_y_inset);
-        rectProvider.setInsetPx(0, isChromeHomeExpandButtonEnabled ? yInsetPx : 0, 0,
-                FeatureUtilities.isChromeHomeEnabled() ? 0 : yInsetPx);
+        rectProvider.setInsetPx(0, 0, 0, yInsetPx);
         textBubble.show();
     }
 
     private View getToolbarAnchorViewForDownloadHomeTextBubble() {
         if (FeatureUtilities.isChromeHomeEnabled()) {
-            return getBottomSheet().isUsingExpandButton()
-                    ? mControlContainer.findViewById(R.id.expand_sheet_button)
-                    : mControlContainer.findViewById(R.id.toolbar_handle);
+            return mControlContainer.findViewById(R.id.toolbar_handle);
         } else {
             return getToolbarManager().getMenuButton();
         }

chrome/android/java/src/org/chromium/chrome/browser/widget/bottomsheet/BottomSheet.java

@@ -1574,30 +1574,4 @@ public class BottomSheet
     public @Nullable TextBubble getHelpBubbleForTests() {
         return getIphBubbleController().getHelpBubbleForTests();
     }
-
-    // ---------------------------------------------------------------------------------------------
-    // TODO(mdjones): Remove the methods below once bottom-toolbar Chrome Home is no longer
-    //                supported.
-    // ---------------------------------------------------------------------------------------------
-
-    /**
-     * @return Whether or not the bottom sheet's toolbar is using the expand button.
-     */
-    public boolean isUsingExpandButton() {
-        return false;
-    }
-
-    /**
-     * Defocus the omnibox.
-     */
-    public void defocusOmnibox() {
-        throw new RuntimeException("This functionality is not supported in the base sheet.");
-    }
-
-    /**
-     * Set the color of the pull handle used by the toolbar.
-     */
-    public void updateHandleTint() {
-        throw new RuntimeException("This functionality is not supported in the base sheet.");
-    }
 }

chrome/android/java/strings/android_chrome_strings.grd

@@ -3174,9 +3174,6 @@ You must have Bluetooth and Location turned on in order to use the Physical Web.
       <message name="IDS_IPH_DOWNLOAD_HOME_ACCESSIBILITY_TEXT_CHROME_HOME" desc="The in-product-help accessibility text to open download home after a restart in chrome home mode.">
         Pull up the toolbar to find your files and pages in downloads
       </message>
-      <message name="IDS_IPH_DOWNLOAD_HOME_ACCESSIBILITY_TEXT_CHROME_HOME_EXPAND" desc="The in-product-help accessibility text to open download home after a restart in chrome home mode with expand button enabled.">
-        Double tap the expand button to find your files and pages in downloads
-      </message>
       <message name="IDS_IPH_DATA_SAVER_PREVIEW_TEXT" desc="In-product help for when a data saver preview page and infobar are shown.">
           Chrome is using less data to show you this page
       </message>