Merge pull request #2492 from abarth/intrinsics

Remove bogus intrinsic size assert

packages/flutter/lib/src/rendering/block.dart

@@ -151,11 +151,6 @@ class RenderBlock extends RenderBlockBase {
       double childExtent = isVertical ?
         child.getMinIntrinsicHeight(innerConstraints) :
         child.getMinIntrinsicWidth(innerConstraints);
-      assert(() {
-        if (isVertical)
-          return childExtent == child.getMaxIntrinsicHeight(innerConstraints);
-        return childExtent == child.getMaxIntrinsicWidth(innerConstraints);
-      });
       extent += childExtent;
       final BlockParentData childParentData = child.parentData;
       child = childParentData.nextSibling;

packages/flutter/lib/src/rendering/box.dart

@@ -419,7 +419,7 @@ abstract class RenderBox extends RenderObject {
   }
 
   /// Returns the smallest width beyond which increasing the width never
-  /// decreases the height.
+  /// decreases the preferred height.
   ///
   /// Override in subclasses that implement [performLayout].
   double getMaxIntrinsicWidth(BoxConstraints constraints) {
@@ -437,7 +437,7 @@ abstract class RenderBox extends RenderObject {
   }
 
   /// Returns the smallest height beyond which increasing the height never
-  /// decreases the width.
+  /// decreases the preferred width.
   ///
   /// If the layout algorithm used is width-in-height-out, i.e. the height
   /// depends on the width and not vice versa, then this will return the same

packages/flutter/lib/src/rendering/grid.dart

@@ -166,7 +166,7 @@ abstract class GridDelegate {
   }
 
   /// Returns the smallest width beyond which increasing the width never
-  /// decreases the height.
+  /// decreases the preferred height.
   double getMaxIntrinsicWidth(BoxConstraints constraints, int childCount) {
     return constraints.constrainWidth(_getGridSize(constraints, childCount).width);
   }
@@ -178,7 +178,7 @@ abstract class GridDelegate {
   }
 
   /// Returns the smallest height beyond which increasing the height never
-  /// decreases the width.
+  /// decreases the preferred width.
   double getMaxIntrinsicHeight(BoxConstraints constraints, int childCount) {
     return constraints.constrainHeight(_getGridSize(constraints, childCount).height);
   }