Bug 728614 - Part 0: Allow querying the viewport information from Java; r=dougt

widget/android/AndroidJavaWrappers.h

@@ -546,6 +546,8 @@ public:
     nsGeoPositionAddress* GeoAddress() { return mGeoAddress; }
     double Bandwidth() { return mBandwidth; }
     bool CanBeMetered() { return mCanBeMetered; }
+    int TabId() { return mTabId; }
+    void DoCallback(const nsAString& data);
 
 protected:
     int mAction;
@@ -571,6 +573,7 @@ protected:
     nsRefPtr<nsGeoPositionAddress> mGeoAddress;
     double mBandwidth;
     bool mCanBeMetered;
+    int mTabId;
 
     void ReadIntArray(nsTArray<int> &aVals,
                       JNIEnv *jenv,
@@ -625,6 +628,9 @@ protected:
 
     static jfieldID jBandwidthField;
     static jfieldID jCanBeMeteredField;
+    static jfieldID jTabIdField;
+    
+    static jmethodID jDoCallbackMethod;
 
 public:
     enum {
@@ -653,6 +659,7 @@ public:
         PROXIMITY_EVENT = 23,
         ACTIVITY_RESUMING = 24,
         SCREENSHOT = 25,
+        META_VIEWPORT_QUERY = 26,
         dummy_java_enum_list_end
     };