Snapshot of all changes to get jumbo in blink and content.

cc/tiles/software_image_decode_cache.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/tiles/software_image_decode_cache.h"
 
 #include <inttypes.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 20 matching lines @@
 using base::trace_event::MemoryAllocatorDump;
 using base::trace_event::MemoryDumpLevelOfDetail;
 
 namespace cc {
 namespace {
 
 // The number of entries to keep around in the cache. This limit can be breached
 // if more items are locked. That is, locked items ignore this limit.
 // Depending on the memory state of the system, we limit the amount of items
 // differently.
-const size_t kNormalMaxItemsInCache = 1000;
-const size_t kThrottledMaxItemsInCache = 100;
-const size_t kSuspendedMaxItemsInCache = 0;
+const size_t kSIDNormalMaxItemsInCache = 1000;
+const size_t kSIDThrottledMaxItemsInCache = 100;
+const size_t kSIDSuspendedMaxItemsInCache = 0;
 
 // If the size of the original sized image breaches kMemoryRatioToSubrect but we
 // don't need to scale the image, consider caching only the needed subrect.
 // The second part that much be true is that we cache only the needed subrect if
 // the total size needed for the subrect is at most kMemoryRatioToSubrect *
 // (size needed for the full original image).
 // Note that at least one of the dimensions has to be at least
 // kMinDimensionToSubrect before an image can breach the threshold.
 const size_t kMemoryThresholdToSubrect = 64 * 1024 * 1024;
 const int kMinDimensionToSubrect = 4 * 1024;
@@ skipping 27 matching lines @@
   ~AutoDrawWithImageFinished() {
     cache_->DrawWithImageFinished(draw_image_, decoded_draw_image_);
   }
 
  private:
   SoftwareImageDecodeCache* cache_;
   const DrawImage& draw_image_;
   const DecodedDrawImage& decoded_draw_image_;
 };
 
-class ImageDecodeTaskImpl : public TileTask {
+class ImageDecodeTaskImpl2 : public TileTask {
  public:
-  ImageDecodeTaskImpl(SoftwareImageDecodeCache* cache,
+  ImageDecodeTaskImpl2(SoftwareImageDecodeCache* cache,
                       const SoftwareImageDecodeCache::ImageKey& image_key,
                       const DrawImage& image,
                       SoftwareImageDecodeCache::DecodeTaskType task_type,
                       const ImageDecodeCache::TracingInfo& tracing_info)
       : TileTask(true),
         cache_(cache),
         image_key_(image_key),
         image_(image),
         task_type_(task_type),
         tracing_info_(tracing_info) {}
 
   // Overridden from Task:
   void RunOnWorkerThread() override {
-    TRACE_EVENT2("cc", "ImageDecodeTaskImpl::RunOnWorkerThread", "mode",
+    TRACE_EVENT2("cc", "ImageDecodeTaskImpl2::RunOnWorkerThread", "mode",
                  "software", "source_prepare_tiles_id",
                  tracing_info_.prepare_tiles_id);
     devtools_instrumentation::ScopedImageDecodeTask image_decode_task(
         image_.image().get(),
         devtools_instrumentation::ScopedImageDecodeTask::kSoftware,
         ImageDecodeCache::ToScopedTaskType(tracing_info_.task_type));
     cache_->DecodeImage(image_key_, image_, task_type_);
   }
 
   // Overridden from TileTask:
   void OnTaskCompleted() override {
     cache_->RemovePendingTask(image_key_, task_type_);
   }
 
  protected:
-  ~ImageDecodeTaskImpl() override {}
+  ~ImageDecodeTaskImpl2() override {}
 
  private:
   SoftwareImageDecodeCache* cache_;
   SoftwareImageDecodeCache::ImageKey image_key_;
   DrawImage image_;
   SoftwareImageDecodeCache::DecodeTaskType task_type_;
   const ImageDecodeCache::TracingInfo tracing_info_;
 
-  DISALLOW_COPY_AND_ASSIGN(ImageDecodeTaskImpl);
+  DISALLOW_COPY_AND_ASSIGN(ImageDecodeTaskImpl2);
 };
 
 SkSize GetScaleAdjustment(const ImageDecodeCacheKey& key) {
   // If the requested filter quality did not require scale, then the adjustment
   // is identity.
   if (key.can_use_original_size_decode() || key.should_use_subrect()) {
     return SkSize::Make(1.f, 1.f);
   } else if (key.filter_quality() == kMedium_SkFilterQuality) {
     return MipMapUtil::GetScaleAdjustmentForSize(key.src_rect().size(),
                                                  key.target_size());
@@ skipping 46 matching lines @@
 
 }  // namespace
 
 SoftwareImageDecodeCache::SoftwareImageDecodeCache(
     viz::ResourceFormat format,
     size_t locked_memory_limit_bytes)
     : decoded_images_(ImageMRUCache::NO_AUTO_EVICT),
       at_raster_decoded_images_(ImageMRUCache::NO_AUTO_EVICT),
       locked_images_budget_(locked_memory_limit_bytes),
       format_(format),
-      max_items_in_cache_(kNormalMaxItemsInCache) {
+      max_items_in_cache_(kSIDNormalMaxItemsInCache) {
   // In certain cases, ThreadTaskRunnerHandle isn't set (Android Webview).
   // Don't register a dump provider in these cases.
   if (base::ThreadTaskRunnerHandle::IsSet()) {
     base::trace_event::MemoryDumpManager::GetInstance()->RegisterDumpProvider(
         this, "cc::SoftwareImageDecodeCache",
         base::ThreadTaskRunnerHandle::Get());
   }
   // Register this component with base::MemoryCoordinatorClientRegistry.
   base::MemoryCoordinatorClientRegistry::GetInstance()->Register(this);
 }
@@ skipping 104 matching lines @@
   if (!new_image_fits_in_memory && (decoded_images_ref_counts_.find(key) ==
                                     decoded_images_ref_counts_.end())) {
     *task = nullptr;
     return false;
   }
 
   // Actually create the task. RefImage will account for memory on the first
   // ref.
   RefImage(key);
   existing_task = make_scoped_refptr(
-      new ImageDecodeTaskImpl(this, key, image, task_type, tracing_info));
+      new ImageDecodeTaskImpl2(this, key, image, task_type, tracing_info));
   *task = existing_task;
   return true;
 }
 
 void SoftwareImageDecodeCache::RefImage(const ImageKey& key) {
   TRACE_EVENT1(TRACE_DISABLED_BY_DEFAULT("cc.debug"),
                "SoftwareImageDecodeCache::RefImage", "key", key.ToString());
   lock_.AssertAcquired();
   int ref = ++decoded_images_ref_counts_[key];
   if (ref == 1) {
@@ skipping 831 matching lines @@
 
 size_t SoftwareImageDecodeCache::MemoryBudget::GetCurrentUsageSafe() const {
   return current_usage_bytes_.ValueOrDie();
 }
 
 void SoftwareImageDecodeCache::OnMemoryStateChange(base::MemoryState state) {
   {
     base::AutoLock hold(lock_);
     switch (state) {
       case base::MemoryState::NORMAL:
-        max_items_in_cache_ = kNormalMaxItemsInCache;
+        max_items_in_cache_ = kSIDNormalMaxItemsInCache;
         break;
       case base::MemoryState::THROTTLED:
-        max_items_in_cache_ = kThrottledMaxItemsInCache;
+        max_items_in_cache_ = kSIDThrottledMaxItemsInCache;
         break;
       case base::MemoryState::SUSPENDED:
-        max_items_in_cache_ = kSuspendedMaxItemsInCache;
+        max_items_in_cache_ = kSIDSuspendedMaxItemsInCache;
         break;
       case base::MemoryState::UNKNOWN:
         NOTREACHED();
         return;
     }
   }
 }
 
 void SoftwareImageDecodeCache::OnPurgeMemory() {
   base::AutoLock lock(lock_);
   ReduceCacheUsageUntilWithinLimit(0);
 }
 
 }  // namespace cc