Remove SkDraw from device-draw methods, and enable device-centric clipping.

BUG=skia:6214

Change-Id: I593900724310d09133ae4791ef68d38c43762fc2
Reviewed-on: https://skia-review.googlesource.com/8806
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Mike Reed <reed@google.com>
diff --git a/tools/debugger/SkDebugCanvas.cpp b/tools/debugger/SkDebugCanvas.cpp
index c9d18ee..522f4ed 100644
--- a/tools/debugger/SkDebugCanvas.cpp
+++ b/tools/debugger/SkDebugCanvas.cpp
@@ -307,7 +307,7 @@
     }
     if (pathOpsMode) {
         this->resetClipStackData();
-        const SkClipStack* clipStack = filterCanvas.getClipStack();
+        const SkClipStack* clipStack = nullptr;//HACK filterCanvas.getClipStack();
         SkClipStack::Iter iter(*clipStack, SkClipStack::Iter::kBottom_IterStart);
         const SkClipStack::Element* element;
         SkPath devPath;