Implement support for v8 counters

2 files changed, 19 insertions, 1 deletions

diff --git a/core/java/android/webkit/WebView.java b/core/java/android/webkit/WebView.java
index 815e55717af0..a6b74c41ca0b 100644
--- a/core/java/android/webkit/WebView.java
+++ b/core/java/android/webkit/WebView.java
@@ -3493,6 +3493,17 @@ public class WebView extends AbsoluteLayout
         mWebViewCore.sendMessage(EventHub.DUMP_RENDERTREE, toFile ? 1 : 0, 0);
     }
 
+    /**
+     * Dump the V8 counters to standard output.
+     * Note that you need a build with V8 and WEBCORE_INSTRUMENTATION set to
+     * true. Otherwise, this will do nothing.
+     *
+     * @hide debug only
+     */
+    public void dumpV8Counters() {
+        mWebViewCore.sendMessage(EventHub.DUMP_V8COUNTERS);
+    }
+
     // This is used to determine long press with the center key.  Does not
     // affect long press with the trackball/touch.
     private boolean mGotCenterDown = false;
diff --git a/core/java/android/webkit/WebViewCore.java b/core/java/android/webkit/WebViewCore.java
index d4bb1d287f8f..387942f757e3 100644
--- a/core/java/android/webkit/WebViewCore.java
+++ b/core/java/android/webkit/WebViewCore.java
@@ -524,6 +524,8 @@ final class WebViewCore {
 
     private native void nativeDumpNavTree();
 
+    private native void nativeDumpV8Counters();
+
     private native void nativeSetJsFlags(String flags);
 
     /**
@@ -874,8 +876,9 @@ final class WebViewCore {
         static final int DUMP_DOMTREE = 170;
         static final int DUMP_RENDERTREE = 171;
         static final int DUMP_NAVTREE = 172;
+        static final int DUMP_V8COUNTERS = 173;
 
-        static final int SET_JS_FLAGS = 173;
+        static final int SET_JS_FLAGS = 174;
         // Geolocation
         static final int GEOLOCATION_PERMISSIONS_PROVIDE = 180;
 
@@ -1296,6 +1299,10 @@ final class WebViewCore {
                             nativeDumpNavTree();
                             break;
 
+                        case DUMP_V8COUNTERS:
+                            nativeDumpV8Counters();
+                            break;
+
                         case SET_JS_FLAGS:
                             nativeSetJsFlags((String)msg.obj);
                             break;