Reland of Android: support multiple displays on C++ side

ui/android/java/src/org/chromium/ui/base/WindowAndroid.java

Index: ui/android/java/src/org/chromium/ui/base/WindowAndroid.java
diff --git a/ui/android/java/src/org/chromium/ui/base/WindowAndroid.java b/ui/android/java/src/org/chromium/ui/base/WindowAndroid.java
index 30fb1386d573875a4559b6026480020d667f469e..5e92b7aee6c90ea52220359920dab09b4696f84c 100644
--- a/ui/android/java/src/org/chromium/ui/base/WindowAndroid.java
+++ b/ui/android/java/src/org/chromium/ui/base/WindowAndroid.java
@@ -533,7 +533,7 @@ public class WindowAndroid {
      */
     public long getNativePointer() {
         if (mNativeWindowAndroid == 0) {
-            mNativeWindowAndroid = nativeInit();
+            mNativeWindowAndroid = nativeInit(mDisplayAndroid.getSdkDisplayId());
         }
         return mNativeWindowAndroid;
     }
@@ -675,7 +675,16 @@ public class WindowAndroid {
         }
     }
 
-    private native long nativeInit();
+    /*
+     * The properties of DisplayAndroid used by native side.
+     */
+
+    @CalledByNative
+    private int getDisplayId() {
+        return mDisplayAndroid.getSdkDisplayId();
+    }
+
+    private native long nativeInit(int displayId);
     private native void nativeOnVSync(long nativeWindowAndroid,
                                       long vsyncTimeMicros,
                                       long vsyncPeriodMicros);