Stop overriding @protected methods with @private (#4760)

An upcoming change to emit private properties in Google's internal version of
https://github.com/angular/clutz will otherwise break any
TypeScript depending on these types. This is because TypeScript errors
on overriding protected with private (Closure Compiler does not).

core/block_svg.js

@@ -1380,7 +1380,8 @@ Blockly.BlockSvg.prototype.moveNumberedInputBefore = function(
  * @param {string} name Language-neutral identifier which may used to find this
  *     input again.  Should be unique to this block.
  * @return {!Blockly.Input} The input object created.
- * @private
+ * @protected
+ * @override
  */
 Blockly.BlockSvg.prototype.appendInput_ = function(type, name) {
   var input = Blockly.BlockSvg.superClass_.appendInput_.call(this, type, name);

core/field_angle.js

@@ -181,7 +181,8 @@ Blockly.FieldAngle.RADIUS = Blockly.FieldAngle.HALF - 1;
 /**
  * Configure the field based on the given map of options.
  * @param {!Object} config A map of options to configure the field based on.
- * @private
+ * @protected
+ * @override
  */
 Blockly.FieldAngle.prototype.configure_ = function(config) {
   Blockly.FieldAngle.superClass_.configure_.call(this, config);
@@ -246,7 +247,7 @@ Blockly.FieldAngle.prototype.initView = function() {
 
 /**
  * Updates the graph when the field rerenders.
- * @private
+ * @protected
  * @override
  */
 Blockly.FieldAngle.prototype.render_ = function() {

core/field_checkbox.js

@@ -88,7 +88,8 @@ Blockly.FieldCheckbox.prototype.CURSOR = 'default';
 /**
  * Configure the field based on the given map of options.
  * @param {!Object} config A map of options to configure the field based on.
- * @private
+ * @protected
+ * @override
  */
 Blockly.FieldCheckbox.prototype.configure_ = function(config) {
   Blockly.FieldCheckbox.superClass_.configure_.call(this, config);

core/field_colour.js

@@ -153,7 +153,8 @@ Blockly.FieldColour.prototype.columns_ = 0;
 /**
  * Configure the field based on the given map of options.
  * @param {!Object} config A map of options to configure the field based on.
- * @private
+ * @protected
+ * @override
  */
 Blockly.FieldColour.prototype.configure_ = function(config) {
   Blockly.FieldColour.superClass_.configure_.call(this, config);

core/field_image.js

@@ -164,7 +164,8 @@ Blockly.FieldImage.prototype.isDirty_ = false;
 /**
  * Configure the field based on the given map of options.
  * @param {!Object} config A map of options to configure the field based on.
- * @private
+ * @protected
+ * @override
  */
 Blockly.FieldImage.prototype.configure_ = function(config) {
   Blockly.FieldImage.superClass_.configure_.call(this, config);

core/field_multilineinput.js

@@ -132,7 +132,8 @@ Blockly.FieldMultilineInput.prototype.initView = function() {
  * Get the text from this field as displayed on screen.  May differ from getText
  * due to ellipsis, and other formatting.
  * @return {string} Currently displayed text.
- * @private
+ * @protected
+ * @override
  */
 Blockly.FieldMultilineInput.prototype.getDisplayText_ = function() {
   var textLines = this.getText();

core/field_number.js

@@ -105,7 +105,8 @@ Blockly.FieldNumber.prototype.SERIALIZABLE = true;
 /**
  * Configure the field based on the given map of options.
  * @param {!Object} config A map of options to configure the field based on.
- * @private
+ * @protected
+ * @override
  */
 Blockly.FieldNumber.prototype.configure_ = function(config) {
   Blockly.FieldNumber.superClass_.configure_.call(this, config);

core/mutator.js

@@ -127,7 +127,7 @@ Blockly.Mutator.prototype.drawIcon_ = function(group) {
  * Clicking on the icon toggles if the mutator bubble is visible.
  * Disable if block is uneditable.
  * @param {!Event} e Mouse click event.
- * @private
+ * @protected
  * @override
  */
 Blockly.Mutator.prototype.iconClick_ = function(e) {

core/rendered_connection.js

@@ -463,7 +463,8 @@ Blockly.RenderedConnection.prototype.onFailedConnect = function(
  * Disconnect two blocks that are connected by this connection.
  * @param {!Blockly.Block} parentBlock The superior block.
  * @param {!Blockly.Block} childBlock The inferior block.
- * @private
+ * @protected
+ * @override
  */
 Blockly.RenderedConnection.prototype.disconnectInternal_ = function(parentBlock,
     childBlock) {
@@ -484,7 +485,8 @@ Blockly.RenderedConnection.prototype.disconnectInternal_ = function(parentBlock,
 /**
  * Respawn the shadow block if there was one connected to the this connection.
  * Render/rerender blocks as needed.
- * @private
+ * @protected
+ * @override
  */
 Blockly.RenderedConnection.prototype.respawnShadow_ = function() {
   Blockly.RenderedConnection.superClass_.respawnShadow_.call(this);

core/renderers/geras/drawer.js

@@ -120,7 +120,8 @@ Blockly.geras.Drawer.prototype.drawBottom_ = function() {
 /**
  * Add steps for the left side of the block, which may include an output
  * connection
- * @private
+ * @protected
+ * @override
  */
 Blockly.geras.Drawer.prototype.drawLeft_ = function() {
   this.highlighter_.drawLeft();