gpu: Add CHROMIUM_texture_from_image spec and fence support.

gpu/GLES2/gl2extchromium.h

Index: gpu/GLES2/gl2extchromium.h
diff --git a/gpu/GLES2/gl2extchromium.h b/gpu/GLES2/gl2extchromium.h
index 5c1afadb19713399a456f5d3ecb71037172025be..f9b4e380ece73c494c949bf49614bb21a45c9210 100644
--- a/gpu/GLES2/gl2extchromium.h
+++ b/gpu/GLES2/gl2extchromium.h
@@ -211,12 +211,12 @@ typedef void (GL_APIENTRYP PFNGLREQUESTEXTENSIONCHROMIUMPROC) (
 #define GL_CHROMIUM_texture_from_image 1
 #ifdef GL_GLEXT_PROTOTYPES
 GL_APICALL void GL_APIENTRY glBindTexImage2DCHROMIUM(
-    GLenum target, GLint imageId);
+    GLenum target, GLint imageId, GLint fenceId);
 GL_APICALL void GL_APIENTRY glReleaseTexImage2DCHROMIUM(
     GLenum target, GLint imageId);
 #endif
 typedef void (GL_APIENTRYP PFNGLBINDTEXIMAGE2DCHROMIUMPROC) (
-    GLenum target, GLint imageId);
+    GLenum target, GLint imageId, GLint fenceId);
 typedef void (GL_APIENTRYP PFNGLRELEASETEXIMAGE2DCHROMIUMPROC) (
     GLenum target, GLint imageId);
 #endif  /* GL_CHROMIUM_texture_from_image */