Update makefiles after merge of Chromium at r189518

This commit was generated by merge_from_chromium.py.

Change-Id: I01cec35f2bccc36d29b40c2bf09024b3da795828
diff --git a/src/preprocessor.target.linux-arm.mk b/src/preprocessor.target.linux-arm.mk
index 6467430..9c058af 100644
--- a/src/preprocessor.target.linux-arm.mk
+++ b/src/preprocessor.target.linux-arm.mk
@@ -85,7 +85,6 @@
 	'-DCHROMIUM_BUILD' \
 	'-DUSE_LIBJPEG_TURBO=1' \
 	'-DUSE_PROPRIETARY_CODECS' \
-	'-DENABLE_PEPPER_THREADING' \
 	'-DENABLE_GPU=1' \
 	'-DUSE_OPENSSL=1' \
 	'-DENABLE_EGLIMAGE=1' \
diff --git a/src/preprocessor.target.linux-x86.mk b/src/preprocessor.target.linux-x86.mk
index 658f670..0dd8468 100644
--- a/src/preprocessor.target.linux-x86.mk
+++ b/src/preprocessor.target.linux-x86.mk
@@ -86,7 +86,6 @@
 	'-DCHROMIUM_BUILD' \
 	'-DUSE_LIBJPEG_TURBO=1' \
 	'-DUSE_PROPRIETARY_CODECS' \
-	'-DENABLE_PEPPER_THREADING' \
 	'-DENABLE_GPU=1' \
 	'-DUSE_OPENSSL=1' \
 	'-DENABLE_EGLIMAGE=1' \
diff --git a/src/translator_common.target.linux-arm.mk b/src/translator_common.target.linux-arm.mk
index ad60a11..274b4db 100644
--- a/src/translator_common.target.linux-arm.mk
+++ b/src/translator_common.target.linux-arm.mk
@@ -109,7 +109,6 @@
 	'-DCHROMIUM_BUILD' \
 	'-DUSE_LIBJPEG_TURBO=1' \
 	'-DUSE_PROPRIETARY_CODECS' \
-	'-DENABLE_PEPPER_THREADING' \
 	'-DENABLE_GPU=1' \
 	'-DUSE_OPENSSL=1' \
 	'-DENABLE_EGLIMAGE=1' \
diff --git a/src/translator_common.target.linux-x86.mk b/src/translator_common.target.linux-x86.mk
index 157dd09..21bbe7b 100644
--- a/src/translator_common.target.linux-x86.mk
+++ b/src/translator_common.target.linux-x86.mk
@@ -110,7 +110,6 @@
 	'-DCHROMIUM_BUILD' \
 	'-DUSE_LIBJPEG_TURBO=1' \
 	'-DUSE_PROPRIETARY_CODECS' \
-	'-DENABLE_PEPPER_THREADING' \
 	'-DENABLE_GPU=1' \
 	'-DUSE_OPENSSL=1' \
 	'-DENABLE_EGLIMAGE=1' \
diff --git a/src/translator_glsl.target.linux-arm.mk b/src/translator_glsl.target.linux-arm.mk
index 95850b5..f33215e 100644
--- a/src/translator_glsl.target.linux-arm.mk
+++ b/src/translator_glsl.target.linux-arm.mk
@@ -82,7 +82,6 @@
 	'-DCHROMIUM_BUILD' \
 	'-DUSE_LIBJPEG_TURBO=1' \
 	'-DUSE_PROPRIETARY_CODECS' \
-	'-DENABLE_PEPPER_THREADING' \
 	'-DENABLE_GPU=1' \
 	'-DUSE_OPENSSL=1' \
 	'-DENABLE_EGLIMAGE=1' \
diff --git a/src/translator_glsl.target.linux-x86.mk b/src/translator_glsl.target.linux-x86.mk
index ab880d0..7507d5a 100644
--- a/src/translator_glsl.target.linux-x86.mk
+++ b/src/translator_glsl.target.linux-x86.mk
@@ -83,7 +83,6 @@
 	'-DCHROMIUM_BUILD' \
 	'-DUSE_LIBJPEG_TURBO=1' \
 	'-DUSE_PROPRIETARY_CODECS' \
-	'-DENABLE_PEPPER_THREADING' \
 	'-DENABLE_GPU=1' \
 	'-DUSE_OPENSSL=1' \
 	'-DENABLE_EGLIMAGE=1' \