views::LabelButton should not call virtual methods from its constructor

ui/views/focus/focus_traversal_unittest.cc

Index: ui/views/focus/focus_traversal_unittest.cc
diff --git a/ui/views/focus/focus_traversal_unittest.cc b/ui/views/focus/focus_traversal_unittest.cc
index 79e22efcb248309a2c9eafa1844d17b520365551..67bf08a827c1af28b5c89c13b262320937f7a945 100644
--- a/ui/views/focus/focus_traversal_unittest.cc
+++ b/ui/views/focus/focus_traversal_unittest.cc
@@ -355,14 +355,14 @@ void FocusTraversalTest::InitContentView() {
 
   y += label_height + gap_between_labels;
 
-  LabelButton* button = new LabelButton(NULL, ASCIIToUTF16("Click me"));
-  button->SetStyle(Button::STYLE_BUTTON);
+  LabelButton* button = new LabelButton(nullptr);
+  button->InitAsButton(ASCIIToUTF16("Click me"));
   button->SetBounds(label_x, y + 10, 80, 30);
   button->set_id(kFruitButtonID);
   left_container_->AddChildView(button);
   y += 40;
 
-  cb =  new Checkbox(ASCIIToUTF16("This is another check box"));
+  cb = new Checkbox(ASCIIToUTF16("This is another check box"));
   cb->SetBounds(label_x + label_width + 5, y, 180, 20);
   cb->set_id(kFruitCheckBoxID);
   left_container_->AddChildView(cb);
@@ -451,22 +451,22 @@ void FocusTraversalTest::InitContentView() {
 
   y = 250;
   int width = 60;
-  button = new LabelButton(NULL, ASCIIToUTF16("OK"));
-  button->SetStyle(Button::STYLE_BUTTON);
+  button = new LabelButton(nullptr);
+  button->InitAsButton(ASCIIToUTF16("OK"));
   button->set_id(kOKButtonID);
   button->SetIsDefault(true);
 
   GetContentsView()->AddChildView(button);
   button->SetBounds(150, y, width, 30);
 
-  button = new LabelButton(NULL, ASCIIToUTF16("Cancel"));
-  button->SetStyle(Button::STYLE_BUTTON);
+  button = new LabelButton(nullptr);
+  button->InitAsButton(ASCIIToUTF16("Cancel"));
   button->set_id(kCancelButtonID);
   GetContentsView()->AddChildView(button);
   button->SetBounds(220, y, width, 30);
 
-  button = new LabelButton(NULL, ASCIIToUTF16("Help"));
-  button->SetStyle(Button::STYLE_BUTTON);
+  button = new LabelButton(nullptr);
+  button->InitAsButton(ASCIIToUTF16("Help"));
   button->set_id(kHelpButtonID);
   GetContentsView()->AddChildView(button);
   button->SetBounds(290, y, width, 30);
@@ -519,8 +519,8 @@ void FocusTraversalTest::InitContentView() {
   text_field->SetBounds(10, 10, 100, 20);
   text_field->set_id(kSearchTextfieldID);
 
-  button = new LabelButton(NULL, ASCIIToUTF16("Search"));
-  button->SetStyle(Button::STYLE_BUTTON);
+  button = new LabelButton(nullptr);
+  button->InitAsButton(ASCIIToUTF16("Search"));
   contents->AddChildView(button);
   button->SetBounds(112, 5, 60, 30);
   button->set_id(kSearchButtonID);
@@ -543,13 +543,13 @@ void FocusTraversalTest::InitContentView() {
   contents->SetFocusable(true);
   contents->set_background(Background::CreateSolidBackground(SK_ColorBLUE));
   contents->set_id(kThumbnailContainerID);
-  button = new LabelButton(NULL, ASCIIToUTF16("Star"));
-  button->SetStyle(Button::STYLE_BUTTON);
+  button = new LabelButton(nullptr);
+  button->InitAsButton(ASCIIToUTF16("Star"));
   contents->AddChildView(button);
   button->SetBounds(5, 5, 50, 30);
   button->set_id(kThumbnailStarID);
-  button = new LabelButton(NULL, ASCIIToUTF16("SuperStar"));
-  button->SetStyle(Button::STYLE_BUTTON);
+  button = new LabelButton(nullptr);
+  button->InitAsButton(ASCIIToUTF16("SuperStar"));
   contents->AddChildView(button);
   button->SetBounds(60, 5, 100, 30);
   button->set_id(kThumbnailSuperStarID);