Fix trace event categories in src/gpu ("skia"->"skia.gpu")

Change-Id: I74b041d3f820d423601bd06805edec001a0d980e
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/225256
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
Auto-Submit: Brian Salomon <bsalomon@google.com>
diff --git a/src/gpu/ops/GrFillRectOp.cpp b/src/gpu/ops/GrFillRectOp.cpp
index fe3cc65..2c17153 100644
--- a/src/gpu/ops/GrFillRectOp.cpp
+++ b/src/gpu/ops/GrFillRectOp.cpp
@@ -187,7 +187,7 @@
             const GrUserStencilSettings*);
 
     void onPrepareDraws(Target* target) override {
-        TRACE_EVENT0("skia", TRACE_FUNC);
+        TRACE_EVENT0("skia.gpu", TRACE_FUNC);
 
         using Domain = GrQuadPerEdgeAA::Domain;
         static constexpr SkRect kEmptyDomain = SkRect::MakeEmpty();
@@ -241,7 +241,7 @@
     }
 
     CombineResult onCombineIfPossible(GrOp* t, const GrCaps& caps) override {
-        TRACE_EVENT0("skia", TRACE_FUNC);
+        TRACE_EVENT0("skia.gpu", TRACE_FUNC);
         const auto* that = t->cast<FillRectOp>();
 
         if ((fHelper.aaType() == GrAAType::kCoverage ||
diff --git a/src/gpu/ops/GrOp.h b/src/gpu/ops/GrOp.h
index 92a35a2..f94e041 100644
--- a/src/gpu/ops/GrOp.h
+++ b/src/gpu/ops/GrOp.h
@@ -162,7 +162,7 @@
 
     /** Issues the op's commands to GrGpu. */
     void execute(GrOpFlushState* state, const SkRect& chainBounds) {
-        TRACE_EVENT0("skia", name());
+        TRACE_EVENT0("skia.gpu", name());
         this->onExecute(state, chainBounds);
     }
 
diff --git a/src/gpu/ops/GrTextureOp.cpp b/src/gpu/ops/GrTextureOp.cpp
index f46ff25..0544fc1 100644
--- a/src/gpu/ops/GrTextureOp.cpp
+++ b/src/gpu/ops/GrTextureOp.cpp
@@ -376,7 +376,7 @@
 
     void tess(void* v, const VertexSpec& spec, const GrTextureProxy* proxy,
               GrQuadBuffer<ColorDomainAndAA>::Iter* iter, int cnt) const {
-        TRACE_EVENT0("skia", TRACE_FUNC);
+        TRACE_EVENT0("skia.gpu", TRACE_FUNC);
         auto origin = proxy->origin();
         const auto* texture = proxy->peekTexture();
         float iw, ih, h;
@@ -408,7 +408,7 @@
     }
 
     void onPrepareDraws(Target* target) override {
-        TRACE_EVENT0("skia", TRACE_FUNC);
+        TRACE_EVENT0("skia.gpu", TRACE_FUNC);
         GrQuad::Type quadType = GrQuad::Type::kAxisAligned;
         GrQuad::Type srcQuadType = GrQuad::Type::kAxisAligned;
         Domain domain = Domain::kNo;
@@ -537,7 +537,7 @@
     }
 
     CombineResult onCombineIfPossible(GrOp* t, const GrCaps& caps) override {
-        TRACE_EVENT0("skia", TRACE_FUNC);
+        TRACE_EVENT0("skia.gpu", TRACE_FUNC);
         const auto* that = t->cast<TextureOp>();
         if (fDomain != that->fDomain) {
             // It is technically possible to combine operations across domain modes, but performance