Revert of make drawText calls non-virtual, to ease SkFont and TextBlob (https://codereview.chromium.org/243853006/)

Reason for revert:
need to test more the code-path where we don't opt into the new virtuals

Original issue's description:
> make drawText calls non-virtual, to ease SkFont and TextBlob
>
> BUG=skia:
>
> Committed: http://code.google.com/p/skia/source/detail?r=14307

R=robertphillips@google.com
TBR=robertphillips@google.com
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Author: reed@google.com

Review URL: https://codereview.chromium.org/247983003

git-svn-id: http://skia.googlecode.com/svn/trunk@14314 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/core/SkCanvas.cpp b/src/core/SkCanvas.cpp
index d839971..f501468 100644
--- a/src/core/SkCanvas.cpp
+++ b/src/core/SkCanvas.cpp
@@ -2356,8 +2356,8 @@
     }
 }
 
-void SkCanvas::onDrawText(const void* text, size_t byteLength, SkScalar x, SkScalar y,
-                          const SkPaint& paint) {
+void SkCanvas::drawText(const void* text, size_t byteLength,
+                        SkScalar x, SkScalar y, const SkPaint& paint) {
     CHECK_SHADER_NOSETCONTEXT(paint);
 
     LOOPER_BEGIN(paint, SkDrawFilter::kText_Type, NULL)
@@ -2372,66 +2372,50 @@
     LOOPER_END
 }
 
-void SkCanvas::onDrawPosText(const void* text, size_t byteLength, const SkPoint pos[],
-                             const SkPaint& paint) {
+void SkCanvas::drawPosText(const void* text, size_t byteLength,
+                           const SkPoint pos[], const SkPaint& paint) {
     CHECK_SHADER_NOSETCONTEXT(paint);
-    
+
     LOOPER_BEGIN(paint, SkDrawFilter::kText_Type, NULL)
-    
+
     while (iter.next()) {
         SkDeviceFilteredPaint dfp(iter.fDevice, looper.paint());
         iter.fDevice->drawPosText(iter, text, byteLength, &pos->fX, 0, 2,
                                   dfp.paint());
     }
-    
+
     LOOPER_END
 }
 
-void SkCanvas::onDrawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[],
-                              SkScalar constY, const SkPaint& paint) {
+void SkCanvas::drawPosTextH(const void* text, size_t byteLength,
+                            const SkScalar xpos[], SkScalar constY,
+                            const SkPaint& paint) {
     CHECK_SHADER_NOSETCONTEXT(paint);
-    
+
     LOOPER_BEGIN(paint, SkDrawFilter::kText_Type, NULL)
-    
+
     while (iter.next()) {
         SkDeviceFilteredPaint dfp(iter.fDevice, looper.paint());
         iter.fDevice->drawPosText(iter, text, byteLength, xpos, constY, 1,
                                   dfp.paint());
     }
-    
+
     LOOPER_END
 }
 
-void SkCanvas::onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path,
-                                const SkMatrix* matrix, const SkPaint& paint) {
+void SkCanvas::drawTextOnPath(const void* text, size_t byteLength,
+                              const SkPath& path, const SkMatrix* matrix,
+                              const SkPaint& paint) {
     CHECK_SHADER_NOSETCONTEXT(paint);
-    
+
     LOOPER_BEGIN(paint, SkDrawFilter::kText_Type, NULL)
-    
+
     while (iter.next()) {
         iter.fDevice->drawTextOnPath(iter, text, byteLength, path,
                                      matrix, looper.paint());
     }
-    
-    LOOPER_END
-}
 
-// These will become non-virtual, so they always call the (virtual) onDraw... method
-void SkCanvas::drawText(const void* text, size_t byteLength, SkScalar x, SkScalar y,
-                        const SkPaint& paint) {
-    this->onDrawText(text, byteLength, x, y, paint);
-}
-void SkCanvas::drawPosText(const void* text, size_t byteLength, const SkPoint pos[],
-                           const SkPaint& paint) {
-    this->onDrawPosText(text, byteLength, pos, paint);
-}
-void SkCanvas::drawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[],
-                            SkScalar constY, const SkPaint& paint) {
-    this->onDrawPosTextH(text, byteLength, xpos, constY, paint);
-}
-void SkCanvas::drawTextOnPath(const void* text, size_t byteLength, const SkPath& path,
-                              const SkMatrix* matrix, const SkPaint& paint) {
-    this->onDrawTextOnPath(text, byteLength, path, matrix, paint);
+    LOOPER_END
 }
 
 void SkCanvas::drawVertices(VertexMode vmode, int vertexCount,