blur -> blurIntent and fix review comments

Author: cal-smith

src/combobox/combobox.component.ts

@@ -264,7 +264,7 @@ export class ComboBox implements OnChanges, OnInit, AfterViewInit, AfterContentI
 				this.updateSelected();
 			});
 
-			this.view.blur.pipe(filter(v => v === "top")).subscribe(() => {
+			this.view.blurIntent.pipe(filter(v => v === "top")).subscribe(() => {
 				this.elementRef.nativeElement.querySelector(".bx--text-input").focus();
 			});
 		}

src/dropdown/abstract-dropdown-view.class.ts

@@ -29,7 +29,7 @@ export class AbstractDropdownView {
 	 * It's recommended that the implementing view include a specific type union of possible blurs
 	 * ex. `@Output() blur = new EventEmitter<"top" | "bottom">();`
 	 */
-	@Output() blur: EventEmitter<any>;
+	@Output() blurIntent: EventEmitter<any>;
 	/**
 	 * Specifies whether or not the `DropdownList` supports selecting multiple items as opposed to single
 	 * item selection.

src/dropdown/list/dropdown-list.component.ts

@@ -126,8 +126,10 @@ export class DropdownList implements AbstractDropdownView, AfterViewInit, OnDest
 	 * ex.
 	 * ArrowUp -> focus first item
 	 * ArrowUp -> emit event
+	 *
+	 * When this event fires focus should be placed on some element outside of the list - blurring the list as a result
 	 */
-	@Output() blur = new EventEmitter<"top" | "bottom">();
+	@Output() blurIntent = new EventEmitter<"top" | "bottom">();
 	/**
 	 * Maintains a reference to the view DOM element for the unordered list of items within the `DropdownList`.
 	 */
@@ -407,13 +409,13 @@ export class DropdownList implements AbstractDropdownView, AfterViewInit, OnDest
 				if (this.hasNextElement()) {
 					this.getNextElement().focus();
 				} else {
-					this.blur.emit("bottom");
+					this.blurIntent.emit("bottom");
 				}
 			} else if (event.key === "ArrowUp" || event.key === "Up") {
 				if (this.hasPrevElement()) {
 					this.getPrevElement().focus();
 				} else {
-					this.blur.emit("top");
+					this.blurIntent.emit("top");
 				}
 			}
 		}