1st implementation of touch_lo_get_content_size

Change-Id: I8b72c4366b502a71f2ed3bf917296c9553364d83

ios/shared/ios_sharedlo/objective_c/view_controllers/testing_tiles/MLOTestingTile.m

@@ -59,6 +59,9 @@
                        self.tester.params.tileHeight);
 
     CGContextRestoreGState(context);
+
+    MLOContentSize size = touch_lo_get_content_size();
+    NSLog(@"MLOContentSize: width=%lld, height=%lld",size.width, size.height);
 }
 
 @end

sw/source/core/view/viewsh.cxx

@@ -1821,6 +1821,11 @@ MLOContentSize touch_lo_get_content_size()
     SwWrtShell *pViewShell = GetActiveWrtShell();
     if (pViewShell)
     {
+        static const long WIDTH_ADDITION  = 6L * DOCUMENTBORDER;
+        static const long HEIGHT_ADDITION = 2L * DOCUMENTBORDER;
+        Size documentSize =pViewShell->GetView().GetDocSz();
+        return MLOContentSizeMake(documentSize.Width() + WIDTH_ADDITION,
+                                  documentSize.Height() + HEIGHT_ADDITION);
     }
     return MLOContentSizeMake(0,0);
 }