Revert of Parse USB interface association descriptors.

device/usb/usb_descriptors_unittest.cc

Index: device/usb/usb_descriptors_unittest.cc
diff --git a/device/usb/usb_descriptors_unittest.cc b/device/usb/usb_descriptors_unittest.cc
index 5bc2943da6ee91b7dc223c37962497c7b4c6fa7c..402304f6b855fc25f0c008e1539ee6fa7e10fd66 100644
--- a/device/usb/usb_descriptors_unittest.cc
+++ b/device/usb/usb_descriptors_unittest.cc
@@ -31,81 +31,6 @@
 }
 
 class UsbDescriptorsTest : public ::testing::Test {};
-
-TEST_F(UsbDescriptorsTest, NoInterfaceAssociations) {
-  UsbConfigDescriptor config(1, false, false, 0);
-  config.interfaces.emplace_back(0, 0, 255, 255, 255);
-  config.interfaces.emplace_back(0, 1, 255, 255, 255);
-  config.interfaces.emplace_back(1, 0, 255, 255, 255);
-  config.AssignFirstInterfaceNumbers();
-
-  EXPECT_EQ(0, config.interfaces[0].first_interface);
-  EXPECT_EQ(0, config.interfaces[1].first_interface);
-  EXPECT_EQ(1, config.interfaces[2].first_interface);
-}
-
-TEST_F(UsbDescriptorsTest, InterfaceAssociations) {
-  // Links interfaces 0 and 1 into a single function.
-  static const uint8_t kIAD1[] = {0x08, 0x0b, 0x00, 0x02,
-                                  0xff, 0xff, 0xff, 0x00};
-  // Only references a single interface, 2.
-  static const uint8_t kIAD2[] = {0x08, 0x0b, 0x02, 0x01,
-                                  0xff, 0xff, 0xff, 0x00};
-  // Malformed. References interface 3 but bInterfaceCount is 0.
-  static const uint8_t kIAD3[] = {0x08, 0x0b, 0x03, 0x00,
-                                  0xff, 0xff, 0xff, 0x00};
-  // Malformed. References an indefined interface.
-  static const uint8_t kIAD4[] = {0x08, 0x0b, 0x07, 0x00,
-                                  0xff, 0xff, 0xff, 0x00};
-  // Links interfaces 4 and 5 into a single function.
-  static const uint8_t kIAD5[] = {0x08, 0x0b, 0x04, 0x01,
-                                  0xff, 0xff, 0xff, 0x00};
-
-  UsbConfigDescriptor config(1, false, false, 0);
-  config.extra_data.assign(kIAD1, kIAD1 + sizeof(kIAD1));
-  config.extra_data.insert(config.extra_data.end(), kIAD2,
-                           kIAD2 + sizeof(kIAD2));
-  config.interfaces.emplace_back(0, 0, 255, 255, 255);
-  config.interfaces.emplace_back(1, 0, 255, 255, 255);
-  UsbInterfaceDescriptor iface1a(1, 1, 255, 255, 255);
-  iface1a.extra_data.assign(kIAD3, kIAD3 + sizeof(kIAD3));
-  config.interfaces.push_back(std::move(iface1a));
-  config.interfaces.emplace_back(2, 0, 255, 255, 255);
-  config.interfaces.emplace_back(3, 0, 255, 255, 255);
-  UsbInterfaceDescriptor iface4(4, 0, 255, 255, 255);
-  iface4.extra_data.assign(kIAD4, kIAD4 + sizeof(kIAD4));
-  iface4.extra_data.insert(iface4.extra_data.end(), kIAD5,
-                           kIAD5 + sizeof(kIAD5));
-  config.interfaces.push_back(std::move(iface4));
-  config.interfaces.emplace_back(5, 0, 255, 255, 255);
-  config.AssignFirstInterfaceNumbers();
-
-  EXPECT_EQ(0, config.interfaces[0].first_interface);
-  EXPECT_EQ(0, config.interfaces[1].first_interface);
-  EXPECT_EQ(0, config.interfaces[2].first_interface);
-  EXPECT_EQ(2, config.interfaces[3].first_interface);
-  EXPECT_EQ(3, config.interfaces[4].first_interface);
-  EXPECT_EQ(4, config.interfaces[5].first_interface);
-  EXPECT_EQ(4, config.interfaces[5].first_interface);
-}
-
-TEST_F(UsbDescriptorsTest, CorruptInterfaceAssociations) {
-  {
-    // Descriptor is too short.
-    static const uint8_t kIAD[] = {0x01};
-    UsbConfigDescriptor config(1, false, false, 0);
-    config.extra_data.assign(kIAD, kIAD + sizeof(kIAD));
-    config.AssignFirstInterfaceNumbers();
-  }
-  {
-    // Descriptor is too long.
-    static const uint8_t kIAD[] = {0x09, 0x0b, 0x00, 0x00,
-                                   0x00, 0x00, 0x00, 0x00};
-    UsbConfigDescriptor config(1, false, false, 0);
-    config.extra_data.assign(kIAD, kIAD + sizeof(kIAD));
-    config.AssignFirstInterfaceNumbers();
-  }
-}
 
 TEST_F(UsbDescriptorsTest, StringDescriptor) {
   static const uint8_t kBuffer[] = {0x1a, 0x03, 'H', 0, 'e', 0, 'l', 0, 'l', 0,