Add subscribeUniform extension pipeline

gpu/command_buffer/common/gles2_cmd_utils_autogen.h

Index: gpu/command_buffer/common/gles2_cmd_utils_autogen.h
diff --git a/gpu/command_buffer/common/gles2_cmd_utils_autogen.h b/gpu/command_buffer/common/gles2_cmd_utils_autogen.h
index 18712010af784abc86b0197fca33a3caf688fcb6..e8631e675a194d84b3196eed1b0525805716efa4 100644
--- a/gpu/command_buffer/common/gles2_cmd_utils_autogen.h
+++ b/gpu/command_buffer/common/gles2_cmd_utils_autogen.h
@@ -55,6 +55,7 @@ static std::string GetStringShaderType(uint32_t value);
 static std::string GetStringSrcBlendFactor(uint32_t value);
 static std::string GetStringStencilOp(uint32_t value);
 static std::string GetStringStringType(uint32_t value);
+static std::string GetStringSubscriptionTarget(uint32_t value);
 static std::string GetStringTextureBindTarget(uint32_t value);
 static std::string GetStringTextureFormat(uint32_t value);
 static std::string GetStringTextureInternalFormat(uint32_t value);
@@ -66,6 +67,7 @@ static std::string GetStringTexturePool(uint32_t value);
 static std::string GetStringTextureTarget(uint32_t value);
 static std::string GetStringTextureUsage(uint32_t value);
 static std::string GetStringTextureWrapMode(uint32_t value);
+static std::string GetStringValueBufferTarget(uint32_t value);
 static std::string GetStringVertexAttribType(uint32_t value);
 static std::string GetStringVertexAttribute(uint32_t value);
 static std::string GetStringVertexPointer(uint32_t value);