[DevTools] Make UI.GlassPane position contentElement for different overlay controls.

third_party/WebKit/Source/devtools/front_end/ui/Geometry.js

Index: third_party/WebKit/Source/devtools/front_end/ui/Geometry.js
diff --git a/third_party/WebKit/Source/devtools/front_end/ui/Geometry.js b/third_party/WebKit/Source/devtools/front_end/ui/Geometry.js
index f6e0f5b1441ef83c7a808a1380ab6f6aaadc6594..f8123d63d14bb9bace2e1bc42e2586163885d810 100644
--- a/third_party/WebKit/Source/devtools/front_end/ui/Geometry.js
+++ b/third_party/WebKit/Source/devtools/front_end/ui/Geometry.js
@@ -346,6 +346,16 @@ UI.Size = class {
     this.width = width;
     this.height = height;
   }
+
+  /**
+   * @param {?UI.Size} size
+   */
+  sizeToMin(size) {

[caseq, 2017/01/31 21:27:20]

clip() or clipTo()?

[dgozman, 2017/01/31 23:39:49]

Done.

+    if (!size)
+      return;
+    this.width = Math.min(this.width, size.width);
+    this.height = Math.min(this.height, size.height);
+  }
 };
 
 /**