Use base/bits.h in more places.

Use base::bits::IsPowerOfTwo() and base::bits::Align(), instead of
manually doing bitwise operations. Fix some lint errors along the way.

Change-Id: Ib0ce4ca5bdba6ddc6368623f2105808bccdacd69
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2253564
Reviewed-by: Sergey Ulanov <sergeyu@chromium.org>
Reviewed-by: Dale Curtis <dalecurtis@chromium.org>
Reviewed-by: Adam Langley <agl@chromium.org>
Reviewed-by: Jan Wilken Dörrie <jdoerrie@chromium.org>
Reviewed-by: Peng Huang <penghuang@chromium.org>
Reviewed-by: vmpstr <vmpstr@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
Cr-Commit-Position: refs/heads/master@{#784099}

• base/pickle.cc[diff]
• base/profiler/stack_copier.cc[diff]
• base/values_unittest.cc[diff]
• cc/paint/paint_op_reader.cc[diff]
• components/discardable_memory/common/discardable_shared_memory_heap.cc[diff]
• device/fido/cable/v2_handshake.cc[diff]
• gpu/command_buffer/client/client_font_manager.cc[diff]
• gpu/command_buffer/client/mock_transfer_buffer.cc[diff]
• gpu/command_buffer/service/service_font_manager.cc[diff]
• media/filters/gav1_video_decoder.cc[diff]
• ui/ozone/platform/scenic/client_native_pixmap_factory_scenic.cc[diff]