Initial VS Code 1.19 source merge (#571)

* Initial 1.19 xcopy

* Fix yarn build

* Fix numerous build breaks

* Next batch of build break fixes

* More build break fixes

* Runtime breaks

* Additional post merge fixes

* Fix windows setup file

* Fix test failures.

* Update license header blocks to refer to source eula

src/vs/base/common/keyCodes.ts

@@ -476,6 +476,14 @@ export class SimpleKeybinding {
 		);
 	}
 
+	public getHashCode(): string {
+		let ctrl = this.ctrlKey ? '1' : '0';
+		let shift = this.shiftKey ? '1' : '0';
+		let alt = this.altKey ? '1' : '0';
+		let meta = this.metaKey ? '1' : '0';
+		return `${ctrl}${shift}${alt}${meta}${this.keyCode}`;
+	}
+
 	public isModifierKey(): boolean {
 		return (
 			this.keyCode === KeyCode.Unknown
@@ -509,6 +517,10 @@ export class ChordKeybinding {
 		this.firstPart = firstPart;
 		this.chordPart = chordPart;
 	}
+
+	public getHashCode(): string {
+		return `${this.firstPart.getHashCode()};${this.chordPart.getHashCode()}`;
+	}
 }
 
 export type Keybinding = SimpleKeybinding | ChordKeybinding;