Support 'break on exception' feature

plugins/org.chromium.debug.core/src/org/chromium/debug/core/model/VProjectWorkspaceBridge.java

Index: plugins/org.chromium.debug.core/src/org/chromium/debug/core/model/VProjectWorkspaceBridge.java
diff --git a/plugins/org.chromium.debug.core/src/org/chromium/debug/core/model/VProjectWorkspaceBridge.java b/plugins/org.chromium.debug.core/src/org/chromium/debug/core/model/VProjectWorkspaceBridge.java
index e7aff209a2d719c4c66a2dbbcf693a4b63c85c80..1794b4e2e3d62a6befb6b10d21310aa08af72a0e 100644
--- a/plugins/org.chromium.debug.core/src/org/chromium/debug/core/model/VProjectWorkspaceBridge.java
+++ b/plugins/org.chromium.debug.core/src/org/chromium/debug/core/model/VProjectWorkspaceBridge.java
@@ -5,7 +5,10 @@
 package org.chromium.debug.core.model;
 
 import java.util.Collection;
+import java.util.Collections;
+import java.util.EnumMap;
 import java.util.List;
+import java.util.Map;
 
 import org.chromium.debug.core.ChromiumDebugPlugin;
 import org.chromium.debug.core.ChromiumSourceDirector;
@@ -16,6 +19,7 @@ import org.chromium.sdk.CallFrame;
 import org.chromium.sdk.DebugContext;
 import org.chromium.sdk.ExceptionData;
 import org.chromium.sdk.JavascriptVm;
+import org.chromium.sdk.JavascriptVm.ExceptionCatchType;
 import org.chromium.sdk.Script;
 import org.chromium.sdk.SyncCallback;
 import org.chromium.sdk.JavascriptVm.ScriptsCallback;
@@ -155,6 +159,10 @@ public class VProjectWorkspaceBridge implements WorkspaceBridge {
   private class BreakpointHandlerImpl implements BreakpointHandler,
       BreakpointSynchronizer.BreakpointHelper {
 
+    private final Map<JavascriptVm.ExceptionCatchType, Boolean> breakExceptionState =
+        Collections.synchronizedMap(new EnumMap<JavascriptVm.ExceptionCatchType, Boolean>(
+            JavascriptVm.ExceptionCatchType.class));
+
     private final EnablementMonitor enablementMonitor = new EnablementMonitor();
 
     private class EnablementMonitor {
@@ -338,6 +346,27 @@ public class VProjectWorkspaceBridge implements WorkspaceBridge {
         return "<unknown>"; //$NON-NLS-1$
       }
     }
+
+    public Boolean getBreakExceptionState(ExceptionCatchType catchType) {
+      return breakExceptionState.get(catchType);
+    }
+
+    public void setBreakExceptionState(final ExceptionCatchType catchType,
+        boolean value) {
+      JavascriptVm.SetValueCallback<Boolean> callback =
+          new JavascriptVm.SetValueCallback<Boolean>() {
+            public void success(Boolean newValue) {
+              breakExceptionState.put(catchType, newValue);
+            }
+            public void failure(Exception exception) {
+              ChromiumDebugPlugin.log(new Exception(
+                  "Failed to set 'break on exception' value", exception));
+            }
+          };
+      javascriptVm.setBreakOnException(catchType, value, callback, null);
+    }
+
+
   }
 
   private final static JsLabelProvider LABEL_PROVIDER = new JsLabelProvider() {