[cr137] [Android] Support back button animations

Chromium change:
https://chromium.googlesource.com/chromium/src/+/47e443a0bf7813c5e0830f68a751e2efa3bfc091

[Back Button] Support animations

This CL extracts animation related logic from ToolbarTablet into
back button MVC components.

Bug: 404478528

android/java/org/chromium/chrome/browser/toolbar/top/BraveToolbarLayoutImpl.java

@@ -93,6 +93,7 @@ import org.chromium.chrome.browser.theme.ThemeUtils;
 import org.chromium.chrome.browser.toolbar.ToolbarDataProvider;
 import org.chromium.chrome.browser.toolbar.ToolbarProgressBar;
 import org.chromium.chrome.browser.toolbar.ToolbarTabController;
+import org.chromium.chrome.browser.toolbar.back_button.BackButtonCoordinator;
 import org.chromium.chrome.browser.toolbar.bottom.BottomToolbarConfiguration;
 import org.chromium.chrome.browser.toolbar.bottom.BottomToolbarVariationManager;
 import org.chromium.chrome.browser.toolbar.home_button.HomeButton;
@@ -1503,7 +1504,8 @@ public abstract class BraveToolbarLayoutImpl extends ToolbarLayout
             UserEducationHelper userEducationHelper,
             ObservableSupplier<Tracker> trackerSupplier,
             ToolbarProgressBar progressBar,
-            @Nullable ReloadButtonCoordinator reloadButtonCoordinator) {
+            @Nullable ReloadButtonCoordinator reloadButtonCoordinator,
+            @Nullable BackButtonCoordinator backButtonCoordinator) {
         super.initialize(
                 toolbarDataProvider,
                 tabController,
@@ -1515,7 +1517,8 @@ public abstract class BraveToolbarLayoutImpl extends ToolbarLayout
                 userEducationHelper,
                 trackerSupplier,
                 progressBar,
-                reloadButtonCoordinator);
+                reloadButtonCoordinator,
+                backButtonCoordinator);
 
         BraveMenuButtonCoordinator.setMenuFromBottom(
                 isMenuButtonOnBottomControls()

android/java/org/chromium/chrome/browser/toolbar/top/BraveTopToolbarCoordinator.java

@@ -33,6 +33,7 @@ import org.chromium.chrome.browser.toolbar.ButtonDataProvider;
 import org.chromium.chrome.browser.toolbar.ToolbarDataProvider;
 import org.chromium.chrome.browser.toolbar.ToolbarProgressBar;
 import org.chromium.chrome.browser.toolbar.ToolbarTabController;
+import org.chromium.chrome.browser.toolbar.back_button.BackButtonCoordinator;
 import org.chromium.chrome.browser.toolbar.menu_button.MenuButton;
 import org.chromium.chrome.browser.toolbar.menu_button.MenuButtonCoordinator;
 import org.chromium.chrome.browser.toolbar.top.NavigationPopup.HistoryDelegate;
@@ -89,7 +90,8 @@ public class BraveTopToolbarCoordinator extends TopToolbarCoordinator {
             OneshotSupplier<TabStripTransitionDelegate> tabStripTransitionDelegateSupplier,
             @Nullable OnLongClickListener onLongClickListener,
             ToolbarProgressBar progressBar,
-            ObservableSupplier<Tab> tabSupplier) {
+            ObservableSupplier<Tab> tabSupplier,
+            @Nullable BackButtonCoordinator backButtonCoordinator) {
         super(
                 controlContainer,
                 toolbarLayout,
@@ -118,7 +120,8 @@ public class BraveTopToolbarCoordinator extends TopToolbarCoordinator {
                 tabStripTransitionDelegateSupplier,
                 onLongClickListener,
                 progressBar,
-                tabSupplier);
+                tabSupplier,
+                backButtonCoordinator);
 
         mBraveToolbarLayout = toolbarLayout;
         mBraveMenuButtonCoordinator = browsingModeMenuButtonCoordinator;

android/javatests/org/chromium/chrome/browser/BytecodeTest.java

@@ -128,6 +128,7 @@ import org.chromium.chrome.browser.toolbar.ToolbarDataProvider;
 import org.chromium.chrome.browser.toolbar.ToolbarManager;
 import org.chromium.chrome.browser.toolbar.ToolbarProgressBar;
 import org.chromium.chrome.browser.toolbar.ToolbarTabController;
+import org.chromium.chrome.browser.toolbar.back_button.BackButtonCoordinator;
 import org.chromium.chrome.browser.toolbar.menu_button.MenuButtonCoordinator;
 import org.chromium.chrome.browser.toolbar.top.NavigationPopup.HistoryDelegate;
 import org.chromium.chrome.browser.toolbar.top.ToggleTabStackButtonCoordinator;
@@ -1333,7 +1334,8 @@ public class BytecodeTest {
                         OneshotSupplier.class,
                         OnLongClickListener.class,
                         ToolbarProgressBar.class,
-                        ObservableSupplier.class));
+                        ObservableSupplier.class,
+                        BackButtonCoordinator.class));
         Assert.assertTrue(
                 constructorsMatch(
                         "org/chromium/chrome/browser/toolbar/menu_button/MenuButtonCoordinator",