Enable precompiled headers for Blink on Windows.

third_party/WebKit/Source/build/win/Precompile.h

Index: third_party/WebKit/Source/build/win/Precompile.h
diff --git a/third_party/WebKit/Source/build/win/Precompile.h b/third_party/WebKit/Source/build/win/Precompile.h
index 456e70efddf48b3690a2eed2cc25bee805e46a08..b9c8bf78a71009fd48f3601fd0ed080dd3b7ffc5 100644
--- a/third_party/WebKit/Source/build/win/Precompile.h
+++ b/third_party/WebKit/Source/build/win/Precompile.h
@@ -1,49 +1,20 @@
-/*
- * Copyright (C) 2012 Google 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:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-/*
- * Precompiled header for WebKit when built on Windows using
- * GYP-generated project files.  Not used by other build
- * configurations.
- *
- * Using precompiled headers speeds the build up significantly.  On a
- * fast machine (HP Z600, 12 GB of RAM), an ~18% decrease in full
- * build time was measured.
- */
+// Copyright 2016 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.
 
 #if defined(WinPrecompile_h_)
 #error You shouldn't include the precompiled header file more than once.
 #endif
-
 #define WinPrecompile_h_
 
+// Precompiled header for WebKit when built on Windows using
+// GYP-generated project files.  Not used by other build
+// configurations.
+//
+// Using precompiled headers speeds the build up significantly.  On a
+// fast machine (HP Z600, 12 GB of RAM), an ~18% decrease in full
+// build time was measured.
+
 #define _USE_MATH_DEFINES  // Make math.h behave like other platforms.
 
 #include <Windows.h>