const warning fix on dither, bump chromium deps and add files to ignore list generated by arm build

BUG=none
R=harryjin@google.com

Review URL: https://webrtc-codereview.appspot.com/57639004.

.gitignore

@@ -39,3 +39,9 @@ convert
 libgtest.a
 libyuv.a
 libyuv_unittest
+
+# Files generated by winarm.mk build
+libyuv_arm.lib
+source/*.o
+
+

DEPS

@@ -6,7 +6,7 @@ vars = {
 
   # Roll the Chromium Git hash to pick up newer versions of all the
   # dependencies and tools linked to in setup_links.py.
-  'chromium_revision': 'c98d446e81bcc18cf4241325c8719ccdc0b7abf3',
+  'chromium_revision': 'bfea27af55be979d8146ed4d225f07a9cf1fba8b',  # 7.27.2015
 }
 
 hooks = [

README.chromium

 Name: libyuv
 URL: http://code.google.com/p/libyuv/
-Version: 1451
+Version: 1452
 License: BSD
 License File: LICENSE
 

include/libyuv/version.h

@@ -11,6 +11,6 @@
 #ifndef INCLUDE_LIBYUV_VERSION_H_  // NOLINT
 #define INCLUDE_LIBYUV_VERSION_H_
 
-#define LIBYUV_VERSION 1451
+#define LIBYUV_VERSION 1452
 
 #endif  // INCLUDE_LIBYUV_VERSION_H_  NOLINT

source/row_common.cc

@@ -211,8 +211,8 @@ void ARGBToRGB565DitherRow_C(const uint8* src_argb, uint8* dst_rgb,
                              const uint32 dither4, int width) {
   int x;
   for (x = 0; x < width - 1; x += 2) {
-    int dither0 = ((unsigned char*)(&dither4))[x & 3];
-    int dither1 = ((unsigned char*)(&dither4))[(x + 1) & 3];
+    int dither0 = ((const unsigned char*)(&dither4))[x & 3];
+    int dither1 = ((const unsigned char*)(&dither4))[(x + 1) & 3];
     uint8 b0 = clamp255(src_argb[0] + dither0) >> 3;
     uint8 g0 = clamp255(src_argb[1] + dither0) >> 2;
     uint8 r0 = clamp255(src_argb[2] + dither0) >> 3;
@@ -225,7 +225,7 @@ void ARGBToRGB565DitherRow_C(const uint8* src_argb, uint8* dst_rgb,
     src_argb += 8;
   }
   if (width & 1) {
-    int dither0 = ((unsigned char*)(&dither4))[(width - 1) & 3];
+    int dither0 = ((const unsigned char*)(&dither4))[(width - 1) & 3];
     uint8 b0 = clamp255(src_argb[0] + dither0) >> 3;
     uint8 g0 = clamp255(src_argb[1] + dither0) >> 2;
     uint8 r0 = clamp255(src_argb[2] + dither0) >> 3;