Remove DCHECK_IMPLIES and CHECK_IMPLIES

ui/gl/gl_image_memory.cc

 // 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.
 
 #include "ui/gl/gl_image_memory.h"
 
 #include "base/logging.h"
 #include "base/trace_event/trace_event.h"
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/scoped_binders.h"
@@ skipping 208 matching lines @@
     return false;
   }
 
   if (!ValidFormat(format)) {
     LOG(ERROR) << "Invalid format: " << format;
     return false;
   }
 
   DCHECK(memory);
   DCHECK(!memory_);
-  DCHECK_IMPLIES(IsCompressedFormat(format), size_.width() % 4 == 0);
-  DCHECK_IMPLIES(IsCompressedFormat(format), size_.height() % 4 == 0);
+  DCHECK(!IsCompressedFormat(format) || (size_.width() % 4 == 0));
+  DCHECK(!IsCompressedFormat(format) || (size_.height() % 4 == 0));
   memory_ = memory;
   format_ = format;
   return true;
 }
 
 void GLImageMemory::Destroy(bool have_context) {
 #if defined(OS_WIN) || defined(USE_X11) || defined(OS_ANDROID) || \
     defined(USE_OZONE)
   if (egl_image_ != EGL_NO_IMAGE_KHR) {
     eglDestroyImageKHR(GLSurfaceEGL::GetHardwareDisplay(), egl_image_);
@@ skipping 192 matching lines @@
                  size_.width(),
                  size_.height(),
                  0,  // border
                  DataFormat(format_),
                  DataType(format_),
                  memory_);
   }
 }
 
 }  // namespace gfx