create and thread batch tracker object

include/gpu/GrBackendProcessorFactory.h

Index: include/gpu/GrBackendProcessorFactory.h
diff --git a/include/gpu/GrBackendProcessorFactory.h b/include/gpu/GrBackendProcessorFactory.h
index 9dda1659d07677a89af975eb04e032b90a48f125..9c4693e4fc519d063b6ca2491499df6e3d66c262 100644
--- a/include/gpu/GrBackendProcessorFactory.h
+++ b/include/gpu/GrBackendProcessorFactory.h
@@ -68,14 +68,6 @@ private:
  */
 class GrBackendProcessorFactory : SkNoncopyable {
 public:
-    /** 
-     * Generates an processor's key. The key is based on the aspects of the GrProcessor object's
-     * configuration that affect GLSL code generation. Two GrProcessor instances that would cause
-     * this->createGLInstance()->emitCode() to produce different code must produce different keys.
-     */
-    virtual void getGLProcessorKey(const GrProcessor&, const GrGLCaps&,
-                                   GrProcessorKeyBuilder*) const = 0;
-
     /**
      * Produces a human-reable name for the v.
      */
@@ -126,19 +118,41 @@ class GrGLGeometryProcessor;
 class GrBackendFragmentProcessorFactory : public GrBackendProcessorFactory {
 public:
     /**
+     * Generates an processor's key. The key is based on the aspects of the GrProcessor object's
+     * configuration that affect GLSL code generation. Two GrProcessor instances that would cause
+     * this->createGLInstance()->emitCode() to produce different code must produce different keys.
+     */
+    virtual void getGLProcessorKey(const GrFragmentProcessor&,
+                                   const GrGLCaps&,
+                                   GrProcessorKeyBuilder*) const = 0;
+
+    /**
      * Creates a GrGLProcessor instance that is used both to generate code for the GrProcessor in a
      * GLSL program and to manage updating uniforms for the program when it is used.
      */
     virtual GrGLFragmentProcessor* createGLInstance(const GrFragmentProcessor&) const = 0;
 };
 
+class GrBatchTracker;
+
 class GrBackendGeometryProcessorFactory : public GrBackendProcessorFactory {
 public:
     /**
+     * Generates an processor's key. The key is based on the aspects of the GrProcessor object's
+     * configuration that affect GLSL code generation. Two GrProcessor instances that would cause
+     * this->createGLInstance()->emitCode() to produce different code must produce different keys.
+     */
+    virtual void getGLProcessorKey(const GrGeometryProcessor&,
+                                   const GrBatchTracker&,
+                                   const GrGLCaps&,
+                                   GrProcessorKeyBuilder*) const = 0;
+
+    /**
      * Creates a GrGLProcessor instance that is used both to generate code for the GrProcessor in a
      * GLSL program and to manage updating uniforms for the program when it is used.
      */
-    virtual GrGLGeometryProcessor* createGLInstance(const GrGeometryProcessor&) const = 0;
+    virtual GrGLGeometryProcessor* createGLInstance(const GrGeometryProcessor&,
+                                                    const GrBatchTracker&) const = 0;
 };
 
 #endif