[Hera] Excise a bunch of document mode code

chrome/android/java/src/org/chromium/chrome/browser/tabmodel/document/DocumentTabModel.java

Index: chrome/android/java/src/org/chromium/chrome/browser/tabmodel/document/DocumentTabModel.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/tabmodel/document/DocumentTabModel.java b/chrome/android/java/src/org/chromium/chrome/browser/tabmodel/document/DocumentTabModel.java
index d427cbba8d325bd311b0d1a5263c7f62595daefe..3c135c1d4e4ac8cbc5abdbcb1a657c2d76cbcedc 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/tabmodel/document/DocumentTabModel.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/tabmodel/document/DocumentTabModel.java
@@ -4,10 +4,6 @@
 
 package org.chromium.chrome.browser.tabmodel.document;
 
-import android.content.Intent;
-
-import org.chromium.base.ThreadUtils;
-import org.chromium.base.VisibleForTesting;
 import org.chromium.base.annotations.SuppressFBWarnings;
 import org.chromium.chrome.browser.TabState;
 import org.chromium.chrome.browser.tab.Tab;
@@ -61,140 +57,9 @@ public interface DocumentTabModel extends TabModel {
     }
 
     /**
-     * Delays an action until the TabList initialization has reached a certain state.
-     * Adds itself to the Observer list if the TabList is not ready, and is automatically removed
-     * once its run condition is satisfied and the action is run.
-     */
-    public abstract static class InitializationObserver {
-        private final DocumentTabModel mTabModel;
-
-        public InitializationObserver(DocumentTabModel tabModel) {
-            mTabModel = tabModel;
-        }
-
-        /** @return Whether or not the TabList is initialized enough for the observer to run. */
-        public abstract boolean isSatisfied(int currentState);
-
-        /** @return Whether or not the Activity owning the observer has died. */
-        public abstract boolean isCanceled();
-
-        /** Perform whatever action the observer is waiting for. */
-        protected abstract void runImmediately();
-
-        /** Perform the action if the TabList is ready, or observe the TabList until it is. */
-        public final void runWhenReady() {
-            ThreadUtils.assertOnUiThread();
-            if (isSatisfied(mTabModel.getCurrentInitializationStage())) {
-                runImmediately();
-            } else {
-                mTabModel.addInitializationObserver(this);
-            }
-        }
-    }
-
-    /**
-     * Begin setting up the C++-side counterpart to this class.
-     */
-    void initializeNative();
-
-    /**
-     * @return Whether the native-side pointer has been initialized.
-     */
-    boolean isNativeInitialized();
-
-    /**
      * Returns the initial URL for the Document with the given ID.
      * @param tabId The ID for the document to return the url for.
      * @return The initial URL for the entry if it was found, null otherwise.
      */
     String getInitialUrlForDocument(int tabId);
-
-    /**
-     * Returns the current URL for the Document with the given ID.
-     * @param tabId The ID for the document to return the url for.
-     * @return The current URL for the entry if it was found, null otherwise.
-     */
-    String getCurrentUrlForDocument(int tabId);
-
-    /**
-     * Returns whether or not an attempt to restore the TabState for the given tab ID has finished.
-     * @param tabId The ID for the document.
-     * @return Whether or not an attempt to restore the tab state has finished, or true if there
-     *         is no Entry with the given ID.
-     */
-    boolean isTabStateReady(int tabId);
-
-    /**
-     * Returns the tab state for the given file, loading it from disk if necessary.
-     * @param tabId ID of the tab to restore.
-     * @return TabState if it exists, null otherwise.
-     */
-    TabState getTabStateForDocument(int tabId);
-
-    /**
-     * Checks whether or not there is an Entry for the given Tab.
-     * @param tabId ID of the tab to check for.
-     * @return Whether or not the Entry exists.
-     */
-    boolean hasEntryForTabId(int tabId);
-
-    /**
-     * Check if a tab/task may be retargeted by an Intent.
-     * @param tabId ID of the tab.
-     * @return Whether or not the given tab ID may be retargeted.
-     */
-    boolean isRetargetable(int tabId);
-
-    /**
-     * Closes the Tab at a particular index.
-     * @param index Index of the tab to close.
-     * @return Whether the was successfully closed.
-     */
-    @VisibleForTesting
-    boolean closeTabAt(int index);
-
-    /**
-     * Compares the current list of documents from the system to the internal entry map and creates
-     * historical tabs for entries that exist in the internal map and not in the system database.
-     * Those entries are then removed from the internal list to ensure there will be only one
-     * recently closed tab per entry.
-     */
-    void updateRecentlyClosed();
-
-    /**
-     * Updates an entry in the TabModel.
-     * @param intent Intent of the Activity that is modifying the TabModel.
-     * @param tab Tab being updated.
-     */
-    void updateEntry(Intent intent, Tab tab);
-
-    /**
-     * Adds the given Tab to this TabModel.
-     * @param intent Intent of the DocumentActivity.
-     * @param tab Tab to add.
-     */
-    void addTab(Intent intent, Tab tab);
-
-    /**
-     * @return The stage of initialization that the DocumentTabModel is currently going through.
-     */
-    int getCurrentInitializationStage();
-
-    /**
-     * Adds an InitializationObserver to the DocumentTabModel.
-     */
-    void addInitializationObserver(InitializationObserver observer);
-
-    /**
-     * Records the ID of the last shown Tab.
-     * @param id ID of the last shown Tab.
-     * @return Whether or not the ID had to be updated.
-     */
-    boolean setLastShownId(int id);
-
-    /**
-     * Called to begin loading tab state from disk. It will load the prioritized tab first
-     * synchronously and then the rest of the tabs asynchronously in the background.
-     */
-    void startTabStateLoad();
 }