Update makefiles after merge of Chromium at e5f75e0d602b

This commit was generated by merge_from_chromium.py.

Change-Id: I277c43d571abaa40bab7afe9c8fdf0899aeb623c
diff --git a/icudata.host.linux-x86_64.mk b/icudata.host.linux-x86_64.mk
index 819bdc4..e58a6eb 100644
--- a/icudata.host.linux-x86_64.mk
+++ b/icudata.host.linux-x86_64.mk
@@ -39,9 +39,15 @@
 	-fvisibility=hidden \
 	-pipe \
 	-fPIC \
-	-Wno-unused-local-typedefs \
 	-Wno-format \
 	-m64 \
+	-Wheader-hygiene \
+	-Wno-char-subscripts \
+	-Wno-unneeded-internal-declaration \
+	-Wno-covered-switch-default \
+	-Wstring-conversion \
+	-Wno-c++11-narrowing \
+	-Wno-deprecated-register \
 	-Os \
 	-g \
 	-fdata-sections \
@@ -95,7 +101,8 @@
 	-fno-rtti \
 	-fno-threadsafe-statics \
 	-fvisibility-inlines-hidden \
-	-Wno-deprecated
+	-Wno-deprecated \
+	-std=gnu++11
 
 
 # Flags passed to both C and C++ files.
@@ -110,9 +117,15 @@
 	-fvisibility=hidden \
 	-pipe \
 	-fPIC \
-	-Wno-unused-local-typedefs \
 	-Wno-format \
 	-m64 \
+	-Wheader-hygiene \
+	-Wno-char-subscripts \
+	-Wno-unneeded-internal-declaration \
+	-Wno-covered-switch-default \
+	-Wstring-conversion \
+	-Wno-c++11-narrowing \
+	-Wno-deprecated-register \
 	-Os \
 	-fno-ident \
 	-fdata-sections \
@@ -166,7 +179,8 @@
 	-fno-rtti \
 	-fno-threadsafe-statics \
 	-fvisibility-inlines-hidden \
-	-Wno-deprecated
+	-Wno-deprecated \
+	-std=gnu++11
 
 
 LOCAL_CFLAGS := $(MY_CFLAGS_$(GYP_CONFIGURATION)) $(MY_DEFS_$(GYP_CONFIGURATION))