First set of unittest fixes. Many more to come ;-)...

chrome/browser/cocoa/infobar_gradient_view_unittest.mm

Index: chrome/browser/cocoa/infobar_gradient_view_unittest.mm
===================================================================
--- chrome/browser/cocoa/infobar_gradient_view_unittest.mm	(revision 29973)
+++ chrome/browser/cocoa/infobar_gradient_view_unittest.mm	(working copy)
@@ -2,41 +2,27 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#import <Cocoa/Cocoa.h>
-
 #include "base/scoped_nsobject.h"
 #import "chrome/browser/cocoa/infobar_gradient_view.h"
 #import "chrome/browser/cocoa/cocoa_test_helper.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "testing/platform_test.h"
 
 namespace {
 
-class InfoBarGradientViewTest : public PlatformTest {
+class InfoBarGradientViewTest : public CocoaTest {
  public:
   InfoBarGradientViewTest() {
     NSRect frame = NSMakeRect(0, 0, 100, 30);
-    view_.reset([[InfoBarGradientView alloc] initWithFrame:frame]);
-    [cocoa_helper_.contentView() addSubview:view_.get()];
+    scoped_nsobject<InfoBarGradientView> view(
+        [[InfoBarGradientView alloc] initWithFrame:frame]);
+    view_ = view.get();
+    [[test_window() contentView] addSubview:view_];
   }
 
-  CocoaTestHelper cocoa_helper_;  // Inits Cocoa, creates window, etc...
-  scoped_nsobject<InfoBarGradientView> view_;
+  InfoBarGradientView* view_;  // Weak. Retained by view hierarchy.
 };
 
-// Test adding/removing from the view hierarchy, mostly to ensure nothing
-// leaks or crashes.
-TEST_F(InfoBarGradientViewTest, AddRemove) {
-  EXPECT_EQ(cocoa_helper_.contentView(), [view_ superview]);
-  [view_.get() removeFromSuperview];
-  EXPECT_FALSE([view_ superview]);
-}
+TEST_VIEW(InfoBarGradientViewTest, view_)
 
-// Test drawing, mostly to ensure nothing leaks or crashes.
-TEST_F(InfoBarGradientViewTest, Display) {
-  [view_ display];
-}
-
 // Assert that the view is non-opaque, because otherwise we will end
 // up with findbar painting issues.
 TEST_F(InfoBarGradientViewTest, AssertViewNonOpaque) {