Revert of Adding status to swap complete

ui/gl/gl_surface_wgl.cc

Index: ui/gl/gl_surface_wgl.cc
diff --git a/ui/gl/gl_surface_wgl.cc b/ui/gl/gl_surface_wgl.cc
index 82e34ecf7f55fd0dbfbcfd216495140ad7523d71..698539fe7ff1ae7936debf3478f2d4e6bc17d12f 100644
--- a/ui/gl/gl_surface_wgl.cc
+++ b/ui/gl/gl_surface_wgl.cc
@@ -250,7 +250,7 @@
   return false;
 }
 
-gfx::SwapResult NativeViewGLSurfaceWGL::SwapBuffers() {
+bool NativeViewGLSurfaceWGL::SwapBuffers() {
   TRACE_EVENT2("gpu", "NativeViewGLSurfaceWGL:RealSwapBuffers",
       "width", GetSize().width(),
       "height", GetSize().height());
@@ -259,19 +259,18 @@
   // it as it moves.
   RECT rect;
   if (!GetClientRect(window_, &rect))
-    return gfx::SwapResult::SWAP_FAILED;
+    return false;
   if (!MoveWindow(child_window_,
                   0,
                   0,
                   rect.right - rect.left,
                   rect.bottom - rect.top,
                   FALSE)) {
-    return gfx::SwapResult::SWAP_FAILED;
+    return false;
   }
 
   DCHECK(device_context_);
-  return ::SwapBuffers(device_context_) == TRUE ? gfx::SwapResult::SWAP_ACK
-                                                : gfx::SwapResult::SWAP_FAILED;
+  return ::SwapBuffers(device_context_) == TRUE;
 }
 
 gfx::Size NativeViewGLSurfaceWGL::GetSize() {
@@ -346,9 +345,9 @@
   return true;
 }
 
-gfx::SwapResult PbufferGLSurfaceWGL::SwapBuffers() {
+bool PbufferGLSurfaceWGL::SwapBuffers() {
   NOTREACHED() << "Attempted to call SwapBuffers on a pbuffer.";
-  return gfx::SwapResult::SWAP_FAILED;
+  return false;
 }
 
 gfx::Size PbufferGLSurfaceWGL::GetSize() {