Moved a whole pile of unittests over to CocoaTest.

chrome/browser/cocoa/background_tile_view_unittest.mm

Index: chrome/browser/cocoa/background_tile_view_unittest.mm
===================================================================
--- chrome/browser/cocoa/background_tile_view_unittest.mm	(revision 32421)
+++ chrome/browser/cocoa/background_tile_view_unittest.mm	(working copy)
@@ -8,34 +8,27 @@
 #import "chrome/browser/cocoa/background_tile_view.h"
 #import "chrome/browser/cocoa/cocoa_test_helper.h"
 #include "testing/gtest/include/gtest/gtest.h"
+#include "testing/platform_test.h"
 
 namespace {
 
-class BackgroundTileViewTest : public testing::Test {
+class BackgroundTileViewTest : public CocoaTest {
  public:
   BackgroundTileViewTest() {
     NSRect frame = NSMakeRect(0, 0, 100, 30);
-    view_.reset([[BackgroundTileView alloc] initWithFrame:frame]);
-    [cocoa_helper_.contentView() addSubview:view_.get()];
+    scoped_nsobject<BackgroundTileView> view([[BackgroundTileView alloc]
+                                              initWithFrame:frame]);
+    view_ = view.get();
+    [[test_window() contentView] addSubview:view_];
   }
 
-  CocoaTestHelper cocoa_helper_;  // Inits Cocoa, creates window, etc...
-  scoped_nsobject<BackgroundTileView> view_;
+  BackgroundTileView *view_;
 };
 
-// Test adding/removing from the view hierarchy, mostly to ensure nothing
-// leaks or crashes.
-TEST_F(BackgroundTileViewTest, AddRemove) {
-  EXPECT_EQ(cocoa_helper_.contentView(), [view_ superview]);
-  [view_.get() removeFromSuperview];
-  EXPECT_FALSE([view_ superview]);
-}
+TEST_VIEW(BackgroundTileViewTest, view_)
 
-// Test drawing, mostly to ensure nothing leaks or crashes.
-TEST_F(BackgroundTileViewTest, Display) {
-  // Without image set.
-  [view_ display];
-  // And now with an image.
+// Test drawing with an Image
+TEST_F(BackgroundTileViewTest, DisplayImage) {
   NSImage* image = [NSImage imageNamed:@"NSApplicationIcon"];
   [view_ setTileImage:image];
   [view_ display];