Fix a bunch of memory issues in Vulkan

src/gpu/vk/GrVkPipelineState.cpp

 /*
 * Copyright 2016 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
 
 #include "GrVkPipelineState.h"
 
 #include "GrPipeline.h"
@@ skipping 62 matching lines @@
     fNumSamplers = numSamplers;
 }
 
 GrVkPipelineState::~GrVkPipelineState() {
     // Must of freed all GPU resources before this is destroyed
     SkASSERT(!fPipeline);
     SkASSERT(!fPipelineLayout);
     SkASSERT(!fSamplers.count());
     SkASSERT(!fTextureViews.count());
     SkASSERT(!fTextures.count());
+    for (int i = 0; i < fFragmentProcessors.count(); ++i) {
+        delete fFragmentProcessors[i];
+    }
 }
 
 void GrVkPipelineState::freeTempResources(const GrVkGpu* gpu) {
     for (int i = 0; i < fSamplers.count(); ++i) {
         fSamplers[i]->unref(gpu);
     }
     fSamplers.rewind();
 
     for (int i = 0; i < fTextureViews.count(); ++i) {
             fTextureViews[i]->unref(gpu);
@@ skipping 401 matching lines @@
 
     b.add32(get_blend_info_key(pipeline));
 
     b.add32(primitiveType);
 
     // Set key length
     int keyLength = key->count();
     SkASSERT(0 == (keyLength % 4));
     *reinterpret_cast<uint32_t*>(key->begin()) = SkToU32(keyLength);
 }