MacViews: Implement capture using NSEvent local+global monitors

ui/gfx/mac/coordinate_conversion_unittest.mm

 // 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.
 
 #import "ui/gfx/mac/coordinate_conversion.h"
 
 #import <Cocoa/Cocoa.h>
 
 #import "base/mac/scoped_objc_class_swizzler.h"
 #include "base/macros.h"
@@ skipping 86 matching lines @@
   EXPECT_TRUE(NSEqualRects(NSMakeRect(10, -60, 30, 40), ns_rect));
   EXPECT_EQ(gfx_rect.ToString(), ScreenRectFromNSRect(ns_rect).ToString());
 
   // Window in a screen below and to the left primary screen.
   gfx_rect = Rect(-40, 220, 30, 40);
   ns_rect = ScreenRectToNSRect(gfx_rect);
   EXPECT_TRUE(NSEqualRects(NSMakeRect(-40, -60, 30, 40), ns_rect));
   EXPECT_EQ(gfx_rect.ToString(), ScreenRectFromNSRect(ns_rect).ToString());
 }
 
+// Test point conversion, using the same setup as above.
+TEST_F(MacCoordinateConversionTest, ScreenPointFromNSPoint) {
+  Point gfx_point = Point(10, 20);
+  NSPoint ns_point = ScreenPointToNSPoint(gfx_point);
+  EXPECT_TRUE(NSEqualPoints(NSMakePoint(10, 180), ns_point));
+  EXPECT_EQ(gfx_point.ToString(), ScreenPointFromNSPoint(ns_point).ToString());
+
+  // Point in a screen to the left of the primary screen.
+  gfx_point = Point(-40, 20);
+  ns_point = ScreenPointToNSPoint(gfx_point);
+  EXPECT_TRUE(NSEqualPoints(NSMakePoint(-40, 180), ns_point));
+  EXPECT_EQ(gfx_point.ToString(), ScreenPointFromNSPoint(ns_point).ToString());
+
+  // Point in a screen below the primary screen.
+  gfx_point = Point(10, 220);
+  ns_point = ScreenPointToNSPoint(gfx_point);
+  EXPECT_TRUE(NSEqualPoints(NSMakePoint(10, -20), ns_point));
+  EXPECT_EQ(gfx_point.ToString(), ScreenPointFromNSPoint(ns_point).ToString());
+
+  // Point in a screen below and to the left primary screen.
+  gfx_point = Point(-40, 220);
+  ns_point = ScreenPointToNSPoint(gfx_point);
+  EXPECT_TRUE(NSEqualPoints(NSMakePoint(-40, -20), ns_point));
+  EXPECT_EQ(gfx_point.ToString(), ScreenPointFromNSPoint(ns_point).ToString());
+}
+
 }  // namespace gfx