Material Design Ink Drop Animation
Implements a controller for ui::Layer animations to provide visual feedback for
touch input.
New flags have been added to ui_base_switches:
kMaterialDesignInkDrop - defines the form of visual feedback desired
kMaterialDesignInkDropCircle - value for kMaterialDesignInkDrop that defines feedback as a circle.
kMaterialDesignInkDropSquare - value for kMaterialDesignInkDrop that defines feedback as a square.
kMaterialDesignAnimationSpeed - defines the speed at which Material Design animations occur
kMaterialDesignAnimationSpeedFast - value for kMaterialDesignAnimationSpeed that defines fast animations
kMaterialDesignAnimationSpeedSlow - value for kMaterialDesignAnimationSpeed that defines slow animations
TEST=manual testing on device
BUG=420761, 501369
Review URL: https://codereview.chromium.org/
1181743004
Cr-Commit-Position: refs/heads/master@{#339066}