Make DialogModel checkbox settable on construction

Adds DialogModelCheckbox::Params with SetIsChecked().

Bug: 1106422, 1150027
Change-Id: Ia981f12b6d67250e3898c687ba9312b669ba2c2d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2545769
Auto-Submit: Peter Boström <pbos@chromium.org>
Commit-Queue: Scott Violet <sky@chromium.org>
Reviewed-by: Scott Violet <sky@chromium.org>
Cr-Commit-Position: refs/heads/master@{#828549}

ui/base/models/dialog_model.cc

@@ -88,9 +88,11 @@ void DialogModel::AddBodyText(const DialogModelLabel& label) {
   AddField(std::make_unique<DialogModelBodyText>(GetPassKey(), this, label));
 }
 
-void DialogModel::AddCheckbox(int unique_id, const DialogModelLabel& label) {
+void DialogModel::AddCheckbox(int unique_id,
+                              const DialogModelLabel& label,
+                              const DialogModelCheckbox::Params& params) {
   AddField(std::make_unique<DialogModelCheckbox>(GetPassKey(), this, unique_id,
-                                                 label));
+                                                 label, params));
 }
 
 void DialogModel::AddCombobox(base::string16 label,

ui/base/models/dialog_model.h

@@ -191,8 +191,11 @@ class COMPONENT_EXPORT(UI_BASE) DialogModel final {
     }
 
     // Adds a checkbox. See DialogModel::AddCheckbox().
-    Builder& AddCheckbox(int unique_id, const DialogModelLabel& label) {
-      model_->AddCheckbox(unique_id, label);
+    Builder& AddCheckbox(int unique_id,
+                         const DialogModelLabel& label,
+                         const DialogModelCheckbox::Params& params =
+                             DialogModelCheckbox::Params()) {
+      model_->AddCheckbox(unique_id, label, params);
       return *this;
     }
 
@@ -238,7 +241,10 @@ class COMPONENT_EXPORT(UI_BASE) DialogModel final {
   void AddBodyText(const DialogModelLabel& label);
 
   // Adds a checkbox ([checkbox] label) at the end of the dialog model.
-  void AddCheckbox(int unique_id, const DialogModelLabel& label);
+  void AddCheckbox(int unique_id,
+                   const DialogModelLabel& label,
+                   const DialogModelCheckbox::Params& params =
+                       DialogModelCheckbox::Params());
 
   // Adds a labeled combobox (label: [model]) at the end of the dialog model.
   void AddCombobox(base::string16 label,

ui/base/models/dialog_model_field.cc

@@ -165,16 +165,20 @@ DialogModelBodyText::DialogModelBodyText(util::PassKey<DialogModel> pass_key,
 
 DialogModelBodyText::~DialogModelBodyText() = default;
 
-DialogModelCheckbox::DialogModelCheckbox(util::PassKey<DialogModel> pass_key,
-                                         DialogModel* model,
-                                         int unique_id,
-                                         const DialogModelLabel& label)
+DialogModelCheckbox::DialogModelCheckbox(
+    util::PassKey<DialogModel> pass_key,
+    DialogModel* model,
+    int unique_id,
+    const DialogModelLabel& label,
+
+    const DialogModelCheckbox::Params& params)
     : DialogModelField(pass_key,
                        model,
                        kCheckbox,
                        unique_id,
                        base::flat_set<Accelerator>()),
-      label_(label) {}
+      label_(label),
+      is_checked_(params.is_checked_) {}
 
 DialogModelCheckbox::~DialogModelCheckbox() = default;
 

ui/base/models/dialog_model_field.h

@@ -219,12 +219,31 @@ class COMPONENT_EXPORT(UI_BASE) DialogModelBodyText : public DialogModelField {
 // Field class representing a checkbox with descriptive text.
 class COMPONENT_EXPORT(UI_BASE) DialogModelCheckbox : public DialogModelField {
  public:
+  class COMPONENT_EXPORT(UI_BASE) Params {
+   public:
+    Params() = default;
+    Params(const Params&) = delete;
+    Params& operator=(const Params&) = delete;
+    ~Params() = default;
+
+    Params& SetIsChecked(bool is_checked) {
+      is_checked_ = is_checked;
+      return *this;
+    }
+
+   private:
+    friend class DialogModelCheckbox;
+
+    bool is_checked_ = false;
+  };
+
   // Note that this is constructed through a DialogModel which adds it to model
   // fields.
   DialogModelCheckbox(util::PassKey<DialogModel> pass_key,
                       DialogModel* model,
                       int unique_id,
-                      const DialogModelLabel& label);
+                      const DialogModelLabel& label,
+                      const Params& params);
   DialogModelCheckbox(const DialogModelCheckbox&) = delete;
   DialogModelCheckbox& operator=(const DialogModelCheckbox&) = delete;
   ~DialogModelCheckbox() override;
@@ -238,7 +257,7 @@ class COMPONENT_EXPORT(UI_BASE) DialogModelCheckbox : public DialogModelField {
 
  private:
   const DialogModelLabel label_;
-  bool is_checked_ = false;
+  bool is_checked_;
 };
 
 // Field class representing a combobox and corresponding label to describe the