Revert of Override SkCanvas::drawImage() in SkDeferredCanvas and SkGPipe (patchset #5 id:80001 of https://codereview.chromium.org/613673005/)

Reason for revert:
Trying to fix DEPS roll failure:
https://codereview.chromium.org/660113002/

Link to failing builds:
http://build.chromium.org/p/tryserver.blink/builders/linux_blink_rel/builds/29578
http://build.chromium.org/p/tryserver.blink/builders/linux_blink_dbg/builds/29354

Original issue's description:
> Override SkCanvas::drawImage() in SkDeferredCanvas and SkGPipe
>
> BUG=skia:2947
>
> Committed: https://skia.googlesource.com/skia/+/687732fe046c9cfec940f2d7f661cd97651d10a8

TBR=junov@chromium.org,reed@google.com,bsalomon@chromium.org,piotaixr@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=skia:2947

Review URL: https://codereview.chromium.org/658293004
diff --git a/src/pipe/SkGPipeRead.cpp b/src/pipe/SkGPipeRead.cpp
index 222dc99..8cb0e34 100644
--- a/src/pipe/SkGPipeRead.cpp
+++ b/src/pipe/SkGPipeRead.cpp
@@ -408,11 +408,11 @@
 
 static void drawPatch_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32,
                          SkGPipeState* state) {
-
+    
     unsigned flags = DrawOp_unpackFlags(op32);
-
+    
     const SkPoint* cubics = skip<SkPoint>(reader, SkPatchUtils::kNumCtrlPts);
-
+    
     const SkColor* colors = NULL;
     if (flags & kDrawVertices_HasColors_DrawOpFlag) {
         colors = skip<SkColor>(reader, SkPatchUtils::kNumCorners);
@@ -651,40 +651,6 @@
     }
 }
 
-static void drawImage_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32,
-                          SkGPipeState* state) {
-    bool hasPaint = SkToBool(DrawOp_unpackFlags(op32) & kDrawBitmap_HasPaint_DrawOpFlag);
-    // Balances call to ref() in SkGPipeWrite
-    SkAutoTUnref<const SkImage> image (static_cast<const SkImage*>(reader->readPtr()));
-
-    SkScalar left = reader->readScalar();
-    SkScalar top = reader->readScalar();
-
-    if (state->shouldDraw()) {
-        canvas->drawImage(image, left, top, hasPaint ? &state->paint() : NULL);
-    }
-}
-
-static void drawImageRect_rp(SkCanvas* canvas, SkReader32* reader,
-                              uint32_t op32, SkGPipeState* state) {
-    unsigned flags = DrawOp_unpackFlags(op32);
-    bool hasPaint = SkToBool(flags & kDrawBitmap_HasPaint_DrawOpFlag);
-    bool hasSrc = SkToBool(flags & kDrawBitmap_HasSrcRect_DrawOpFlag);
-    // Balances call to ref() in SkGPipeWrite
-    SkAutoTUnref<const SkImage> image (static_cast<const SkImage*>(reader->readPtr()));
-
-    const SkRect* src;
-    if (hasSrc) {
-        src = skip<SkRect>(reader);
-    } else {
-        src = NULL;
-    }
-    const SkRect* dst = skip<SkRect>(reader);
-    if (state->shouldDraw()) {
-        canvas->drawImageRect(image, src, *dst, hasPaint ? &state->paint() : NULL);
-    }
-}
-
 ///////////////////////////////////////////////////////////////////////////////
 
 static void drawData_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32,
@@ -865,8 +831,6 @@
     drawClear_rp,
     drawData_rp,
     drawDRRect_rp,
-    drawImage_rp,
-    drawImageRect_rp,
     drawOval_rp,
     drawPaint_rp,
     drawPatch_rp,