libwebp: update snapshot to v0.2.0-rc1

third_party/libwebp/enc/cost.c

Index: third_party/libwebp/enc/cost.c
diff --git a/third_party/libwebp/enc/cost.c b/third_party/libwebp/enc/cost.c
index 656d1ea9aab9ea568e58fe959babccb06936350c..14b357bab9efa8ecd8d8feaa29f9aa9dc16a7b0c 100644
--- a/third_party/libwebp/enc/cost.c
+++ b/third_party/libwebp/enc/cost.c
@@ -1,4 +1,4 @@
-// Copyright 2011 Google Inc.
+// Copyright 2011 Google Inc. All Rights Reserved.
 //
 // This code is licensed under the same terms as WebM:
 //  Software License Agreement:  http://www.webmproject.org/license/software/
@@ -9,9 +9,7 @@
 //
 // Author: Skal (pascal.massimino@gmail.com)
 
-#include <assert.h>
-
-#include "cost.h"
+#include "./cost.h"
 
 #if defined(__cplusplus) || defined(c_plusplus)
 extern "C" {
@@ -52,9 +50,9 @@ const uint16_t VP8EntropyCost[256] = {
 //------------------------------------------------------------------------------
 // Level cost tables
 
-// For each given level, the following table given the pattern of contexts
-// to use for coding it (in [][0]) as well as the bit value to use for
-// each context (in [][1]).
+// For each given level, the following table gives the pattern of contexts to
+// use for coding it (in [][0]) as well as the bit value to use for each
+// context (in [][1]).
 const uint16_t VP8LevelCodes[MAX_VARIABLE_LEVEL][2] = {
                   {0x001, 0x000}, {0x007, 0x001}, {0x00f, 0x005},
   {0x00f, 0x00d}, {0x033, 0x003}, {0x033, 0x003}, {0x033, 0x023},