Revert of Add operator<< to StyleDifference for debug logging.

Revert of Add operator<< to StyleDifference for debug logging. (patchset #5 id:80001 of https://codereview.chromium.org/2763643003/ )

Reason for revert:
Consistent failure: webkit_unit_tests failing on chromium.webkit/WebKit Android (Nexus4)

WebKit Android (Nexus4) [50 since first detection]
https://uberchromegw.corp.google.com/i/chromium.webkit/builders/WebKit%20Android%20%28Nexus4%29: 

The first failure:
-
 https://uberchromegw.corp.google.com/i/chromium.webkit/builders/WebKit%20Android%20%28Nexus4%29/builds/62765

Test output:
https://luci-logdog.appspot.com/v/?s=chromium%2Fbb%2Fchromium.webkit%2FWebKit_Android__Nexus4_%2F62765%2F%2B%2Frecipes%2Fsteps%2Fwebkit_unit_tests%2F0%2Fstdout

C  169.736s Main  [FAIL] StyleDifferenceTest.StreamOutputAllFieldsMutated:
C  169.736s Main  [ RUN      ] StyleDifferenceTest.StreamOutputAllFieldsMutated
C  169.736s Main  ../../third_party/WebKit/Source/core/style/StyleDifferenceTest.cpp:40: Failure
C  169.736s Main  Value of: stringStream.str()
C  169.736s Main    Actual: "StyleDifference{layoutType=PositionedMovement, paintInvalidationType=PaintInvalidationObject, recomputeOverflow=1, visualRectUpdate=1, propertySpecificDifferences=TransformChanged|ScrollAnchorDisablingPropertyChanged}"
C  169.736s Main  Expected: "StyleDifference{layoutType=PositionedMovement, " "paintInvalidationType=PaintInvalidationObject, recomputeOverflow=1, " "visualRectUpdate=1, " "propertySpecificDifferences=TransformChanged|" "ScrollAnchorDisablingPropertyChanged|TransformChanged|" "ScrollAnchorDisablingPropertyChanged}"
C  169.736s Main  Which is: "StyleDifference{layoutType=PositionedMovement, paintInvalidationType=PaintInvalidationObject, recomputeOverflow=1, visualRectUpdate=1, propertySpecificDifferences=TransformChanged|ScrollAnchorDisablingPropertyChanged|TransformChanged|ScrollAnchorDisablingPropertyChanged}"


Original issue's description:
> Add operator<< to StyleDifference for debug logging.
> 
> Similar to http://crrev.com/2732643004. I wanted this while debugging animation
> related style changes and thought it would be potentially useful for others
> ongoing.
> 
> BUG=695125
> 
> Review-Url: https://codereview.chromium.org/2763643003
> Cr-Commit-Position: refs/heads/master@{#459595}
> Committed: https://chromium.googlesource.com/chromium/src/+/15eb85b8cb9d52cb79dc37dff7d2cfcd2400e778

TBR=alancutter@chromium.org,wangxianzhu@chromium.org,wkorman@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=695125
Review-Url: https://codereview.chromium.org/2777803002
Cr-Commit-Position: refs/heads/master@{#459746}
Committed: https://chromium.googlesource.com/chromium/src/+/eb14d83f2208140bbde345c88f02b7a45736d553

[hayato, 2017-03-27 04:53:56]

The CQ bit was checked by hayato@chromium.org

[hayato, 2017-03-27 04:53:56]

Created Revert of Add operator<< to StyleDifference for debug logging.

[commit-bot: I haz the power, 2017-03-27 04:54:06]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-03-27 04:56:15]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2017-03-27 04:56:16]

Try jobs failed on following builders:
  ios-device-xcode-clang on master.tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/ios-device-xcode-...)
  ios-simulator-xcode-clang on master.tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/ios-simulator-xco...)

[hayato, 2017-03-27 09:02:32]

resolve conflict

[hayato, 2017-03-27 09:02:46]

The CQ bit was checked by hayato@chromium.org

[commit-bot: I haz the power, 2017-03-27 09:03:04]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-03-27 10:56:41]

CQ is committing da patch.

Bot data: {"patchset_id": 130001, "attempt_start_ts": 1490605366372800,
"parent_rev": "06cde11f9f3843eb13e3d3d73296a07e9e8601f5", "commit_rev":
"eb14d83f2208140bbde345c88f02b7a45736d553"}

[commit-bot: I haz the power, 2017-03-27 10:57:23]

Description was changed from

==========
Revert of Add operator<< to StyleDifference for debug logging. (patchset #5
id:80001 of https://codereview.chromium.org/2763643003/ )

Reason for revert:
Consistent failure: webkit_unit_tests failing on chromium.webkit/WebKit Android
(Nexus4)

WebKit Android (Nexus4) [50 since first detection]
https://uberchromegw.corp.google.com/i/chromium.webkit/builders/WebKit%20Andr...:


The first failure:
-

https://uberchromegw.corp.google.com/i/chromium.webkit/builders/WebKit%20Andr...

Test output:
https://luci-logdog.appspot.com/v/?s=chromium%2Fbb%2Fchromium.webkit%2FWebKit...

C  169.736s Main  [FAIL] StyleDifferenceTest.StreamOutputAllFieldsMutated:
C  169.736s Main  [ RUN      ] StyleDifferenceTest.StreamOutputAllFieldsMutated
C  169.736s Main 
../../third_party/WebKit/Source/core/style/StyleDifferenceTest.cpp:40: Failure
C  169.736s Main  Value of: stringStream.str()
C  169.736s Main    Actual: "StyleDifference{layoutType=PositionedMovement,
paintInvalidationType=PaintInvalidationObject, recomputeOverflow=1,
visualRectUpdate=1,
propertySpecificDifferences=TransformChanged|ScrollAnchorDisablingPropertyChanged}"
C  169.736s Main  Expected: "StyleDifference{layoutType=PositionedMovement, "
"paintInvalidationType=PaintInvalidationObject, recomputeOverflow=1, "
"visualRectUpdate=1, " "propertySpecificDifferences=TransformChanged|"
"ScrollAnchorDisablingPropertyChanged|TransformChanged|"
"ScrollAnchorDisablingPropertyChanged}"
C  169.736s Main  Which is: "StyleDifference{layoutType=PositionedMovement,
paintInvalidationType=PaintInvalidationObject, recomputeOverflow=1,
visualRectUpdate=1,
propertySpecificDifferences=TransformChanged|ScrollAnchorDisablingPropertyChanged|TransformChanged|ScrollAnchorDisablingPropertyChanged}"


Original issue's description:
> Add operator<< to StyleDifference for debug logging.
> 
> Similar to http://crrev.com/2732643004. I wanted this while debugging
animation
> related style changes and thought it would be potentially useful for others
> ongoing.
> 
> BUG=695125
> 
> Review-Url: https://codereview.chromium.org/2763643003
> Cr-Commit-Position: refs/heads/master@{#459595}
> Committed:
https://chromium.googlesource.com/chromium/src/+/15eb85b8cb9d52cb79dc37dff7d2...

TBR=alancutter@chromium.org,wangxianzhu@chromium.org,wkorman@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=695125
==========

to

==========
Revert of Add operator<< to StyleDifference for debug logging. (patchset #5
id:80001 of https://codereview.chromium.org/2763643003/ )

Reason for revert:
Consistent failure: webkit_unit_tests failing on chromium.webkit/WebKit Android
(Nexus4)

WebKit Android (Nexus4) [50 since first detection]
https://uberchromegw.corp.google.com/i/chromium.webkit/builders/WebKit%20Andr...:


The first failure:
-

https://uberchromegw.corp.google.com/i/chromium.webkit/builders/WebKit%20Andr...

Test output:
https://luci-logdog.appspot.com/v/?s=chromium%2Fbb%2Fchromium.webkit%2FWebKit...

C  169.736s Main  [FAIL] StyleDifferenceTest.StreamOutputAllFieldsMutated:
C  169.736s Main  [ RUN      ] StyleDifferenceTest.StreamOutputAllFieldsMutated
C  169.736s Main 
../../third_party/WebKit/Source/core/style/StyleDifferenceTest.cpp:40: Failure
C  169.736s Main  Value of: stringStream.str()
C  169.736s Main    Actual: "StyleDifference{layoutType=PositionedMovement,
paintInvalidationType=PaintInvalidationObject, recomputeOverflow=1,
visualRectUpdate=1,
propertySpecificDifferences=TransformChanged|ScrollAnchorDisablingPropertyChanged}"
C  169.736s Main  Expected: "StyleDifference{layoutType=PositionedMovement, "
"paintInvalidationType=PaintInvalidationObject, recomputeOverflow=1, "
"visualRectUpdate=1, " "propertySpecificDifferences=TransformChanged|"
"ScrollAnchorDisablingPropertyChanged|TransformChanged|"
"ScrollAnchorDisablingPropertyChanged}"
C  169.736s Main  Which is: "StyleDifference{layoutType=PositionedMovement,
paintInvalidationType=PaintInvalidationObject, recomputeOverflow=1,
visualRectUpdate=1,
propertySpecificDifferences=TransformChanged|ScrollAnchorDisablingPropertyChanged|TransformChanged|ScrollAnchorDisablingPropertyChanged}"


Original issue's description:
> Add operator<< to StyleDifference for debug logging.
> 
> Similar to http://crrev.com/2732643004. I wanted this while debugging
animation
> related style changes and thought it would be potentially useful for others
> ongoing.
> 
> BUG=695125
> 
> Review-Url: https://codereview.chromium.org/2763643003
> Cr-Commit-Position: refs/heads/master@{#459595}
> Committed:
https://chromium.googlesource.com/chromium/src/+/15eb85b8cb9d52cb79dc37dff7d2...

TBR=alancutter@chromium.org,wangxianzhu@chromium.org,wkorman@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=695125

Review-Url: https://codereview.chromium.org/2777803002
Cr-Commit-Position: refs/heads/master@{#459746}
Committed:
https://chromium.googlesource.com/chromium/src/+/eb14d83f2208140bbde345c88f02...
==========

[commit-bot: I haz the power, 2017-03-27 10:57:24]

Committed patchset #2 (id:130001) as
https://chromium.googlesource.com/chromium/src/+/eb14d83f2208140bbde345c88f02...