Roll MaterialComponents to be7b95b05d0e6257c59546a3f45264202f046e3b

ios/third_party/material_components_ios/BUILD.gn

Index: ios/third_party/material_components_ios/BUILD.gn
diff --git a/ios/third_party/material_components_ios/BUILD.gn b/ios/third_party/material_components_ios/BUILD.gn
index 7d25a604c082d0458435852d0bc1b08c32964234..46a7fc1f0125cacf21073ad15184e65ed9d0c5d0 100644
--- a/ios/third_party/material_components_ios/BUILD.gn
+++ b/ios/third_party/material_components_ios/BUILD.gn
@@ -189,6 +189,8 @@ source_set("material_components_ios") {
     "src/components/private/Icons/src/MaterialIcons.h",
     "src/components/private/KeyboardWatcher/src/MDCKeyboardWatcher.h",
     "src/components/private/KeyboardWatcher/src/MDCKeyboardWatcher.m",
+    "src/components/private/Math/src/MDCMath.h",
+    "src/components/private/Math/src/MaterialMath.h",
     "src/components/private/Overlay/src/MDCOverlayImplementor.h",
     "src/components/private/Overlay/src/MDCOverlayObserver.h",
     "src/components/private/Overlay/src/MDCOverlayObserver.m",
@@ -224,6 +226,7 @@ source_set("material_components_ios") {
     "src/components/ButtonBar/src",
     "src/components/NavigationBar/src",
     "src/components/OverlayWindow/src",
+    "src/components/private/Math/src",
     "src/components/private/Application/src",
     "src/components/private/Color/src",
     "src/components/private/Icons/src",