Delete elevationOverlayColor: It is not used in any theming extensions.

This property was added #7924

PiperOrigin-RevId: 351828292

Author: randallli

components/schemes/Color/src/MDCSemanticColorScheme.h

@@ -75,11 +75,6 @@
  */
 @property(nonnull, readonly, copy, nonatomic) UIColor *onBackgroundColor;
 
-/**
- A color that is used for the elevation overlays, applied with an alpha on top of surfaces.
- */
-@property(nonnull, readonly, copy, nonatomic) UIColor *elevationOverlayColor;
-
 /**
  A flag that indicates whether the overlay color should be applied on an elevated surface in Dark
  Mode. There is no elevation overlay applied in Light Mode.
@@ -123,7 +118,6 @@ typedef NS_ENUM(NSInteger, MDCColorSchemeDefaults) {
 @property(nonnull, readwrite, copy, nonatomic) UIColor *onSecondaryColor;
 @property(nonnull, readwrite, copy, nonatomic) UIColor *onSurfaceColor;
 @property(nonnull, readwrite, copy, nonatomic) UIColor *onBackgroundColor;
-@property(nonnull, readwrite, copy, nonatomic) UIColor *elevationOverlayColor;
 @property(readwrite, assign, nonatomic) BOOL elevationOverlayEnabledForDarkMode;
 
 /**

components/schemes/Color/src/MDCSemanticColorScheme.m

@@ -54,7 +54,6 @@ - (instancetype)initWithDefaults:(MDCColorSchemeDefaults)defaults {
         _onSecondaryColor = ColorFromRGB(0x000000);
         _onSurfaceColor = ColorFromRGB(0x000000);
         _onBackgroundColor = ColorFromRGB(0x000000);
-        _elevationOverlayColor = ColorFromRGB(0x000000);
         _elevationOverlayEnabledForDarkMode = NO;
         break;
       case MDCColorSchemeDefaultsMaterialDark201907:
@@ -68,7 +67,6 @@ - (instancetype)initWithDefaults:(MDCColorSchemeDefaults)defaults {
         _onSecondaryColor = ColorFromRGB(0x000000);
         _onSurfaceColor = ColorFromRGB(0xFFFFFF);
         _onBackgroundColor = ColorFromRGB(0xFFFFFF);
-        _elevationOverlayColor = ColorFromRGB(0xFFFFFF);
         _elevationOverlayEnabledForDarkMode = YES;
         break;
       case MDCColorSchemeDefaultsMaterial201907: {
@@ -123,9 +121,6 @@ - (instancetype)initWithDefaults:(MDCColorSchemeDefaults)defaults {
                                                            defaultColor:ColorFromRGB(0x000000)];
         _onBackgroundColor = [UIColor colorWithUserInterfaceStyleDarkColor:ColorFromRGB(0xFFFFFF)
                                                               defaultColor:ColorFromRGB(0x000000)];
-        _elevationOverlayColor =
-            [UIColor colorWithUserInterfaceStyleDarkColor:ColorFromRGB(0xFFFFFF)
-                                             defaultColor:ColorFromRGB(0x000000)];
         _elevationOverlayEnabledForDarkMode = YES;
         break;
       }

components/schemes/Color/tests/unit/MDCSemanticColorSchemeTests.m

@@ -48,7 +48,6 @@ - (void)testInitMatchesInitWithMaterialDefaults {
   XCTAssertEqualObjects(initScheme.onSecondaryColor, mdDefaultScheme.onSecondaryColor);
   XCTAssertEqualObjects(initScheme.onSurfaceColor, mdDefaultScheme.onSurfaceColor);
   XCTAssertEqualObjects(initScheme.onBackgroundColor, mdDefaultScheme.onBackgroundColor);
-  XCTAssertEqualObjects(initScheme.elevationOverlayColor, mdDefaultScheme.elevationOverlayColor);
   XCTAssertEqual(initScheme.elevationOverlayEnabledForDarkMode,
                  mdDefaultScheme.elevationOverlayEnabledForDarkMode);
 }
@@ -69,7 +68,6 @@ - (void)testInitWithMaterialDefaults {
   XCTAssertEqualObjects(colorScheme.onSecondaryColor, ColorFromRGB(0x000000));
   XCTAssertEqualObjects(colorScheme.onSurfaceColor, ColorFromRGB(0x000000));
   XCTAssertEqualObjects(colorScheme.onBackgroundColor, ColorFromRGB(0x000000));
-  XCTAssertEqualObjects(colorScheme.elevationOverlayColor, ColorFromRGB(0x000000));
   XCTAssertEqual(colorScheme.elevationOverlayEnabledForDarkMode, NO);
 }
 
@@ -89,7 +87,6 @@ - (void)testInitWithMaterialDefaultsDark {
   XCTAssertEqualObjects(colorScheme.onSecondaryColor, ColorFromRGB(0x000000));
   XCTAssertEqualObjects(colorScheme.onSurfaceColor, ColorFromRGB(0xFFFFFF));
   XCTAssertEqualObjects(colorScheme.onBackgroundColor, ColorFromRGB(0xFFFFFF));
-  XCTAssertEqualObjects(colorScheme.elevationOverlayColor, ColorFromRGB(0xFFFFFF));
   XCTAssertEqual(colorScheme.elevationOverlayEnabledForDarkMode, YES);
 }
 
@@ -134,9 +131,6 @@ - (void)testInitWithMaterialDefaults201907WhenUserInterfaceStyleIsDarkForiOS13 {
     XCTAssertEqualObjects(
         [colorScheme.onBackgroundColor resolvedColorWithTraitCollection:traitCollection],
         ColorFromRGB(0xFFFFFF));
-    XCTAssertEqualObjects(
-        [colorScheme.elevationOverlayColor resolvedColorWithTraitCollection:traitCollection],
-        ColorFromRGB(0xFFFFFF));
     XCTAssertEqual(colorScheme.elevationOverlayEnabledForDarkMode, YES);
   }
 #endif  // MDC_AVAILABLE_SDK_IOS(13_0)
@@ -183,9 +177,6 @@ - (void)testInitWithMaterialDefaults201907WhenUserInterfaceStyleIsLightForiOS13
     XCTAssertEqualObjects(
         [colorScheme.onBackgroundColor resolvedColorWithTraitCollection:traitCollection],
         ColorFromRGB(0x000000));
-    XCTAssertEqualObjects(
-        [colorScheme.elevationOverlayColor resolvedColorWithTraitCollection:traitCollection],
-        ColorFromRGB(0x000000));
     XCTAssertEqual(colorScheme.elevationOverlayEnabledForDarkMode, YES);
   }
 #endif  // MDC_AVAILABLE_SDK_IOS(13_0)
@@ -209,7 +200,6 @@ - (void)testInitWithMaterialDefaults201907WhenUserInterfaceStyleIsLightForPreiOS
     XCTAssertEqualObjects(colorScheme.onSecondaryColor, ColorFromRGB(0x000000));
     XCTAssertEqualObjects(colorScheme.onSurfaceColor, ColorFromRGB(0x000000));
     XCTAssertEqualObjects(colorScheme.onBackgroundColor, ColorFromRGB(0x000000));
-    XCTAssertEqualObjects(colorScheme.elevationOverlayColor, ColorFromRGB(0x000000));
     XCTAssertEqual(colorScheme.elevationOverlayEnabledForDarkMode, YES);
   }
 }
@@ -262,9 +252,6 @@ - (void)testInitWithMaterialDefaults201907WhenUserInterfaceStyleIsLightForPreiOS
     XCTAssertEqualObjects(
         [colorScheme.onBackgroundColor resolvedColorWithTraitCollection:traitCollection],
         ColorFromRGB(0xFFFFFF));
-    XCTAssertEqualObjects(
-        [colorScheme.elevationOverlayColor resolvedColorWithTraitCollection:traitCollection],
-        ColorFromRGB(0xFFFFFF));
     XCTAssertEqual(colorScheme.elevationOverlayEnabledForDarkMode, YES);
   }
 #endif  // MDC_AVAILABLE_SDK_IOS(13_0)
@@ -318,9 +305,6 @@ - (void)testInitWithMaterialDefaults201907WhenUserInterfaceStyleIsLightForPreiOS
     XCTAssertEqualObjects(
         [colorScheme.onBackgroundColor resolvedColorWithTraitCollection:traitCollection],
         ColorFromRGB(0x000000));
-    XCTAssertEqualObjects(
-        [colorScheme.elevationOverlayColor resolvedColorWithTraitCollection:traitCollection],
-        ColorFromRGB(0x000000));
     XCTAssertEqual(colorScheme.elevationOverlayEnabledForDarkMode, YES);
   }
 #endif  // MDC_AVAILABLE_SDK_IOS(13_0)