Revert of Added the framework for having canvas/recorder/picture record depth_set's.

Revert of Added the framework for having canvas/recorder/picture record depth_set's. (patchset #19 id:360001 of https://codereview.chromium.org/2127233002/ )

Reason for revert:
Still crashing...

Original issue's description:
> Added the framework for having canvas/recorder/picture record depth_set's.
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2127233002
> 
> Committed: https://skia.googlesource.com/skia/+/6d3fb898d5f73a82e36f11c712a633c3921ed518
> Committed: https://skia.googlesource.com/skia/+/1185d90c785f743364cc9113d7007a59af07470c

TBR=jvanverth@google.com,robertphillips@google.com,brianosman@google.com,reed@google.com,bsalomon@google.com,vjiaoblack@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

[mtklein_C, 2016-07-13 16:00:20]

The CQ bit was checked by mtklein@chromium.org

[mtklein_C, 2016-07-13 16:00:20]

Created Revert of Added the framework for having canvas/recorder/picture record
depth_set's.

[commit-bot: I haz the power, 2016-07-13 16:00:29]

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, 2016-07-13 16:00:38]

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

[commit-bot: I haz the power, 2016-07-13 16:00:39]

Failed to apply patch for tests/CanvasTest.cpp:
While running git apply --index -3 -p1;
  error: patch failed: tests/CanvasTest.cpp:833
  error: repository lacks the necessary blob to fall back on 3-way merge.
  error: tests/CanvasTest.cpp: patch does not apply

Patch:       tests/CanvasTest.cpp
Index: tests/CanvasTest.cpp
diff --git a/tests/CanvasTest.cpp b/tests/CanvasTest.cpp
index
afbaf8650936d016b759de6368b7b389dd93726e..70c2c04ffabf511239239fe8fe3cf91ab78582af
100644
--- a/tests/CanvasTest.cpp
+++ b/tests/CanvasTest.cpp
@@ -779,27 +779,6 @@
     canvas.restore();
 }
 
-class SkTestCanvas : public SkCanvas {
-public:
-    void testUpdateDepth(skiatest::Reporter* reporter) {
-        // set some depths (with picture enabled), then check them as they get
set
-
-        REPORTER_ASSERT(reporter, this->getZ() == 0);
-        this->translateZ(-10);
-        REPORTER_ASSERT(reporter, this->getZ() == -10);
-
-        this->save();
-        this->translateZ(20);
-        REPORTER_ASSERT(reporter, this->getZ() == 10);
-
-        this->restore();
-        REPORTER_ASSERT(reporter, this->getZ() == -10);
-
-        this->translateZ(13.14f);
-        REPORTER_ASSERT(reporter, SkScalarNearlyEqual(this->getZ(),3.14f));
-    }
-};
-
 namespace {
 
 class MockFilterCanvas : public SkPaintFilterCanvas {
@@ -833,9 +812,4 @@
     REPORTER_ASSERT(reporter, canvas.getTotalMatrix() ==
filterCanvas.getTotalMatrix());
     REPORTER_ASSERT(reporter, canvas.getClipBounds(&clip1) ==
filterCanvas.getClipBounds(&clip2));
     REPORTER_ASSERT(reporter, clip1 == clip2);
-
-    SkTestCanvas* tCanvas;
-
-    tCanvas = (SkTestCanvas*) new SkCanvas(100,100);
-    tCanvas->testUpdateDepth(reporter);
-}
+}