Relax strict restriction on position of line-continuation

third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.cpp

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 5464 matching lines @@
         }
     }
     return true;
 }
 
 bool WebGLRenderingContextBase::validateShaderSource(const String& string)
 {
     for (size_t i = 0; i < string.length(); ++i) {
         // line-continuation character \ is supported in WebGL 2.0.
         if (isWebGL2OrHigher() && string[i] == '\\') {
-            if (i + 1 >= string.length() || (string[i + 1] != '\n' && string[i + 1] != '\r')) {
-                synthesizeGLError(GL_INVALID_VALUE, "shaderSource", "line-continuation character is not immediately preceding a new-line");
-                return false;
-            }
             continue;
         }
         if (!validateCharacter(string[i])) {
             synthesizeGLError(GL_INVALID_VALUE, "shaderSource", "string not ASCII");
             return false;
         }
     }
     return true;
 }
 
@@ skipping 972 matching lines @@
         contextGL()->PixelStorei(GL_UNPACK_ALIGNMENT, 1);
 }
 
 void WebGLRenderingContextBase::restoreUnpackParameters()
 {
     if (m_unpackAlignment != 1)
         contextGL()->PixelStorei(GL_UNPACK_ALIGNMENT, m_unpackAlignment);
 }
 
 } // namespace blink