--- a/org.chromium.debug.core/src/org/chromium/debug/core/model/BreakpointRegistry.java	Tue Jun 08 16:06:40 2010 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,227 +0,0 @@
-// Copyright (c) 2009 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.debug.core.model;
-
-import java.util.Collection;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.LinkedList;
-import java.util.Map;
-
-import org.chromium.sdk.Breakpoint;
-import org.chromium.sdk.Script;
-
-/**
- * A registry of existing breakpoints associated with their script locations. It
- * is used to restore
- */
-public class BreakpointRegistry {
-
-  /**
-   * Script identifier for a breakpoint location.
-   */
-  public static class ScriptIdentifier {
-    private final String name;
-
-    private final long id;
-
-    private final int startLine;
-
-    private final int endLine;
-
-    public static ScriptIdentifier forScript(Script script) {
-      String name = script.getName();
-      return new ScriptIdentifier(
-          name,
-          name != null ? -1 : script.getId(),
-          script.getStartLine(),
-          script.getEndLine());
-    }
-
-    private ScriptIdentifier(String name, long id, int startLine, int endLine) {
-      this.name = name;
-      this.id = id;
-      this.startLine = startLine;
-      this.endLine = endLine;
-    }
-
-    @Override
-    public int hashCode() {
-      final int prime = 31;
-      int result = 1;
-      result = prime * result + (int) (id ^ (id >>> 32));
-      result = prime * result + ((name == null) ? 0 : name.hashCode());
-      result = prime * result + 17 * startLine + 19 * endLine;
-      return result;
-    }
-
-    @Override
-    public boolean equals(Object obj) {
-      if (!(obj instanceof ScriptIdentifier)) {
-        return false;
-      }
-      ScriptIdentifier that = (ScriptIdentifier) obj;
-      if (this.startLine != that.startLine || this.endLine != that.endLine) {
-        return false;
-      }
-      if (name == null) {
-        // an unnamed script, only id is known
-        return that.name == null && this.id == that.id;
-      }
-      // a named script
-      return this.name.equals(that.name);
-    }
-  }
-
-  static class BreakpointLocation {
-    private final ScriptIdentifier scriptIdentifier;
-
-    private final int line;
-
-    public BreakpointLocation(ScriptIdentifier scriptIdentifier, int line) {
-      this.scriptIdentifier = scriptIdentifier;
-      this.line = line;
-    }
-
-    public ScriptIdentifier getScriptIdentifier() {
-      return scriptIdentifier;
-    }
-
-    public int getLine() {
-      return line;
-    }
-
-    @Override
-    public int hashCode() {
-      final int prime = 31;
-      int result = 1;
-      result = prime * result + line;
-      result = prime * result + ((scriptIdentifier == null)
-          ? 0
-          : scriptIdentifier.hashCode());
-      return result;
-    }
-
-    @Override
-    public boolean equals(Object obj) {
-      if (!(obj instanceof BreakpointLocation)) {
-        return false;
-      }
-      BreakpointLocation that = (BreakpointLocation) obj;
-      return (this.line == that.line && eq(this.scriptIdentifier, that.scriptIdentifier));
-    }
-  }
-
-  /**
-   * A breakpoint accompanied by its line number in the corresponding enclosing
-   * resource.
-   */
-  public static class BreakpointEntry {
-    public final Breakpoint breakpoint;
-
-    public final int line;
-
-    private BreakpointEntry(Breakpoint breakpoint, int line) {
-      this.breakpoint = breakpoint;
-      this.line = line;
-    }
-
-    boolean isWithinScriptRange(Script script) {
-      return line >= script.getStartLine() && line <= script.getEndLine();
-    }
-
-    @Override
-    public int hashCode() {
-      return 31 * line + 17 * breakpoint.hashCode();
-    }
-
-    @Override
-    public boolean equals(Object obj) {
-      if (!(obj instanceof BreakpointEntry)) {
-        return false;
-      }
-      BreakpointEntry that = (BreakpointEntry) obj;
-      return this.line == that.line && this.breakpoint.equals(that.breakpoint);
-    }
-  }
-
-  private final Map<ScriptIdentifier, Collection<BreakpointEntry>> scriptIdToBreakpointEntries =
-      new HashMap<ScriptIdentifier, Collection<BreakpointEntry>>();
-
-  /**
-   * Adds the given line breakpoint.
-   *
-   * @param script where the breakpoint is set
-   * @param line (0-based, like in V8) in the script
-   * @param breakpoint
-   */
-  public void add(Script script, int line, Breakpoint breakpoint) {
-    ScriptIdentifier scriptId = ScriptIdentifier.forScript(script);
-    Collection<BreakpointEntry> entries = scriptIdToBreakpointEntries.get(scriptId);
-    if (entries == null) {
-      entries = new HashSet<BreakpointEntry>();
-      scriptIdToBreakpointEntries.put(scriptId, entries);
-    }
-    entries.add(new BreakpointEntry(breakpoint, line));
-  }
-
-  /**
-   * Gets breakpoint entries for the given script. An empty collection for a
-   * {@code null} script.
-   *
-   * @param script to extract the breakpoints for
-   * @return the breakpoints that fall within the given script line range
-   */
-  public Collection<? extends BreakpointEntry> getBreakpointEntries(Script script) {
-    if (script == null) {
-      return Collections.emptySet();
-    }
-    Collection<BreakpointEntry> entries =
-        scriptIdToBreakpointEntries.get(ScriptIdentifier.forScript(script));
-    if (entries == null) {
-      return Collections.emptySet();
-    }
-    Collection<BreakpointEntry> scriptBreakpoints = new LinkedList<BreakpointEntry>();
-    // Linear search should work fairly well for a reasonable number of
-    // breakpoints per script
-    for (BreakpointEntry entry : entries) {
-      if (entry.isWithinScriptRange(script)) {
-        scriptBreakpoints.add(entry);
-      }
-    }
-    return scriptBreakpoints;
-  }
-
-  /**
-   * Removes the given line breakpoint in the given script. Does nothing for a
-   * {@code null} script (which may be the case after a navigation + disconnect
-   * when the resource referenced by the breakpoint marker is absent.)
-   *
-   * @param script where the breakpoint is set
-   * @param line (0-based, like in V8) in the script
-   * @param breakpoint
-   */
-  public void remove(Script script, int line, Breakpoint breakpoint) {
-    if (script == null) {
-      return;
-    }
-    ScriptIdentifier scriptId = ScriptIdentifier.forScript(script);
-    Collection<BreakpointEntry> entries = scriptIdToBreakpointEntries.get(scriptId);
-    if (entries == null) {
-      return;
-    }
-    if (entries.size() == 1) {
-      scriptIdToBreakpointEntries.remove(scriptId);
-    } else {
-      entries.remove(new BreakpointEntry(breakpoint, line));
-    }
-  }
-
-  protected static boolean eq(Object left, Object right) {
-    return left == right || (left != null && left.equals(right));
-  }
-
-}