clang/win: Build chromium code without -Wno-incompatible-pointer-types.

third_party/libwebp/libwebp.gyp

Index: third_party/libwebp/libwebp.gyp
diff --git a/third_party/libwebp/libwebp.gyp b/third_party/libwebp/libwebp.gyp
index 327d9cea368d3c25ab0af862d29b20a6dcbe1d6b..8fc068d1d2ae669a5c81e48ab63803e74510da85 100644
--- a/third_party/libwebp/libwebp.gyp
+++ b/third_party/libwebp/libwebp.gyp
@@ -33,6 +33,9 @@
       'sources': [
         'demux/demux.c',
       ],
+      'dependencies' : [
+        'libwebp_utils',
+      ],
     },
     {
       'target_name': 'libwebp_dsp',
@@ -59,6 +62,9 @@
         'dsp/yuv_mips32.c',
         'dsp/yuv_sse2.c',
       ],
+      'dependencies' : [
+        'libwebp_utils',
+      ],
       'conditions': [
         ['OS == "android"', {
           'dependencies': [ '../../build/android/ndk.gyp:cpu_features' ],
@@ -141,6 +147,9 @@
         'enc/vp8l.c',
         'enc/webpenc.c',
       ],
+      'dependencies' : [
+        'libwebp_utils',
+      ],
     },
     {
       'target_name': 'libwebp_utils',
@@ -160,6 +169,18 @@
         'utils/thread.c',
         'utils/utils.c',
       ],
+      'variables': {
+        'clang_warning_flags': [
+          '-Wno-incompatible-pointer-types',
+        ]
+      },
+      'direct_dependent_settings': {
+        'variables': {
+          'clang_warning_flags': [
+            '-Wno-incompatible-pointer-types',
+          ]
+        },
+      },
     },
     {
       'target_name': 'libwebp',