Push GrPipelineBuilder down to the drawBatch calls in the TextContext

This is split out of https://codereview.chromium.org/2092893003/ (Retract PipelineBuilder some more)

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2155983003

Review-Url: https://codereview.chromium.org/2155983003
diff --git a/src/gpu/text/GrAtlasTextBlob.cpp b/src/gpu/text/GrAtlasTextBlob.cpp
index 0ead354..9ab9c12 100644
--- a/src/gpu/text/GrAtlasTextBlob.cpp
+++ b/src/gpu/text/GrAtlasTextBlob.cpp
@@ -302,9 +302,9 @@
 }
 
 inline
-void GrAtlasTextBlob::flushRun(GrDrawContext* dc, GrPipelineBuilder* pipelineBuilder,
+void GrAtlasTextBlob::flushRun(GrDrawContext* dc, const GrPaint& grPaint,
                                const GrClip& clip, int run, const SkMatrix& viewMatrix, SkScalar x,
-                               SkScalar y, GrColor color,
+                               SkScalar y,
                                const SkPaint& skPaint, const SkSurfaceProps& props,
                                const GrDistanceFieldAdjustTable* distanceAdjustTable,
                                GrBatchFontCache* cache) {
@@ -315,12 +315,17 @@
             continue;
         }
 
+        GrColor color = grPaint.getColor();
+
         SkAutoTUnref<GrDrawBatch> batch(this->createBatch(info, glyphCount, run,
                                                           subRun, viewMatrix, x, y, color,
                                                           skPaint, props,
                                                           distanceAdjustTable, dc->isGammaCorrect(),
                                                           cache));
-        dc->drawBatch(*pipelineBuilder, clip, batch);
+
+        GrPipelineBuilder pipelineBuilder(grPaint, dc->mustUseHWAA(grPaint));
+
+        dc->drawBatch(pipelineBuilder, clip, batch);
     }
 }
 
@@ -419,10 +424,6 @@
                                   SkScalar x, SkScalar y) {
     // We loop through the runs of the blob, flushing each.  If any run is too large, then we flush
     // it as paths
-    GrPipelineBuilder pipelineBuilder(grPaint, dc->mustUseHWAA(grPaint));
-
-    GrColor color = grPaint.getColor();
-
     SkTextBlobRunIterator it(blob);
     for (int run = 0; !it.done(); it.next(), run++) {
         if (fRuns[run].fDrawAsPaths) {
@@ -430,7 +431,7 @@
                                   drawFilter, viewMatrix, clipBounds, x, y);
             continue;
         }
-        this->flushRun(dc, &pipelineBuilder, clip, run, viewMatrix, x, y, color, skPaint, props,
+        this->flushRun(dc, grPaint, clip, run, viewMatrix, x, y, skPaint, props,
                        distanceAdjustTable, context->getBatchFontCache());
     }
 
@@ -448,11 +449,8 @@
                                      const SkMatrix& viewMatrix,
                                      const SkIRect& clipBounds,
                                      SkScalar x, SkScalar y) {
-    GrPipelineBuilder pipelineBuilder(grPaint, dc->mustUseHWAA(grPaint));
-
-    GrColor color = grPaint.getColor();
     for (int run = 0; run < fRunCount; run++) {
-        this->flushRun(dc, &pipelineBuilder, clip, run, viewMatrix, x, y, color, skPaint, props,
+        this->flushRun(dc, grPaint, clip, run, viewMatrix, x, y, skPaint, props,
                        distanceAdjustTable, context->getBatchFontCache());
     }