Revert of Added CGFloat comparison functions.

ui/gfx/test/ui_cocoa_test_helper.h

 // Copyright 2014 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.
 
 #ifndef UI_GFX_TEST_UI_COCOA_TEST_HELPER_H_
 #define UI_GFX_TEST_UI_COCOA_TEST_HELPER_H_
 
 #include <set>
 
 #import <Cocoa/Cocoa.h>
@@ skipping 112 matching lines @@
 #else
 #define CGFLOAT_EPSILON FLT_EPSILON
 #endif
 
 // A macro which which determines if two CGFloats are equal taking a
 // proper epsilon into consideration.
 #define CGFLOAT_EQ(expected, actual) \
     (actual >= (expected - CGFLOAT_EPSILON) && \
      actual <= (expected + CGFLOAT_EPSILON))
 
+// A test support macro which ascertains if two CGFloats are equal.
+#define EXPECT_CGFLOAT_EQ(expected, actual) \
+    EXPECT_TRUE(CGFLOAT_EQ(expected, actual)) << \
+                expected << " != " << actual
+
 // A test support macro which compares two NSRects for equality taking
 // the float epsilon into consideration.
 #define EXPECT_NSRECT_EQ(expected, actual) \
     EXPECT_TRUE(CGFLOAT_EQ(expected.origin.x, actual.origin.x) && \
                 CGFLOAT_EQ(expected.origin.y, actual.origin.y) && \
                 CGFLOAT_EQ(expected.size.width, actual.size.width) && \
                 CGFLOAT_EQ(expected.size.height, actual.size.height)) << \
                 "Rects do not match: " << \
                 [NSStringFromRect(expected) UTF8String] << \
                 " != " << [NSStringFromRect(actual) UTF8String]
 
 #endif  // UI_GFX_TEST_UI_COCOA_TEST_HELPER_H_