Fix nits.

chrome/browser/ui/cocoa/spinner_view_unittest.mm

-// Copyright (c) 2015 The Chromium Authors. All rights reserved.
+// Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/cocoa/spinner_view.h"
 
 #import "ui/gfx/test/ui_cocoa_test_helper.h"
 
-@interface SpinnerView(ExposedForTesting)
+@interface SpinnerView (ExposedForTesting)
 
-- (BOOL)is_animating;
+- (BOOL)isAnimating;
 
 @end
 
-@implementation SpinnerView(ExposedForTesting)
+@implementation SpinnerView (ExposedForTesting)
 
-- (BOOL)is_animating
-{
-  return is_animating_;
+- (BOOL)isAnimating {
+  return isAnimating_;
 }
 
 @end
 
 namespace {
 
-  class SpinnerViewTest : public ui::CocoaTest {
-  public:
-    SpinnerViewTest() {
-      CGRect frame = NSMakeRect(0.0, 0.0, 16.0, 16.0);
-      view_.reset([[SpinnerView alloc] initWithFrame:frame]);
-      [[test_window() contentView] addSubview:view_];
-    }
-
-    base::scoped_nsobject<SpinnerView> view_;
-  };
-
-  TEST_VIEW(SpinnerViewTest, view_)
-
-  TEST_F(SpinnerViewTest, StopAnimationOnMiniaturize) {
-    EXPECT_TRUE([view_ is_animating]);
-
-    [test_window() miniaturize:nil];
-    EXPECT_FALSE([view_ is_animating]);
-
-    [test_window() deminiaturize:nil];
-    EXPECT_TRUE([view_ is_animating]);
+class SpinnerViewTest : public ui::CocoaTest {
+ public:
+  SpinnerViewTest() {
+    CGRect frame = NSMakeRect(0.0, 0.0, 16.0, 16.0);
+    view_.reset([[SpinnerView alloc] initWithFrame:frame]);
+    [[test_window() contentView] addSubview:view_];
   }
 
-  TEST_F(SpinnerViewTest,
-         StopAnimationOnRemoveFromSuperview) {
-    EXPECT_TRUE([view_ is_animating]);
+  base::scoped_nsobject<SpinnerView> view_;
+};
 
-    [view_ removeFromSuperview];
-    EXPECT_FALSE([view_ is_animating]);
+TEST_VIEW(SpinnerViewTest, view_)
 
-    [[test_window() contentView] addSubview:view_];
-    EXPECT_TRUE([view_ is_animating]);
-  }
+TEST_F(SpinnerViewTest, StopAnimationOnMiniaturize) {
+  EXPECT_TRUE([view_ isAnimating]);
 
-  TEST_F(SpinnerViewTest, StopAnimationOnHidden) {
-    EXPECT_TRUE([view_ is_animating]);
+  [test_window() miniaturize:nil];
+  EXPECT_FALSE([view_ isAnimating]);
 
-    [view_ setHidden:YES];
-    EXPECT_FALSE([view_ is_animating]);
-
-    [view_ setHidden:NO];
-    EXPECT_TRUE([view_ is_animating]);
-  }
+  [test_window() deminiaturize:nil];
+  EXPECT_TRUE([view_ isAnimating]);
 }
 
+TEST_F(SpinnerViewTest,
+       StopAnimationOnRemoveFromSuperview) {
+  EXPECT_TRUE([view_ isAnimating]);
+
+  [view_ removeFromSuperview];
+  EXPECT_FALSE([view_ isAnimating]);
+
+  [[test_window() contentView] addSubview:view_];
+  EXPECT_TRUE([view_ isAnimating]);
+}
+
+TEST_F(SpinnerViewTest, StopAnimationOnHidden) {
+  EXPECT_TRUE([view_ isAnimating]);
+
+  [view_ setHidden:YES];
+  EXPECT_FALSE([view_ isAnimating]);
+
+  [view_ setHidden:NO];
+  EXPECT_TRUE([view_ isAnimating]);
+}
+
+} // namespace