Set ImageCacheSingleAllocationByteLimit to 64MB

content/renderer/render_thread_impl.cc

Index: content/renderer/render_thread_impl.cc
diff --git a/content/renderer/render_thread_impl.cc b/content/renderer/render_thread_impl.cc
index 2666e22569efc3bcd3e2734e6b0c86c57610e0ac..a164643292d5e4315098a59a369f452d022dfa6c 100644
--- a/content/renderer/render_thread_impl.cc
+++ b/content/renderer/render_thread_impl.cc
@@ -172,6 +172,12 @@ const int kIdleCPUUsageThresholdInPercents = 3;
 const int kMinRasterThreads = 1;
 const int kMaxRasterThreads = 64;
 
+// Maximum allocation size allowed for image scaling filters that
+// require pre-scaling. Skia will fallback to a filter that doesn't
+// require pre-scaling if the default filter would require an
+// allocation that exceeds this limit.
+const size_t kImageCacheSingleAllocationByteLimit = 64 * 1024 * 1024;
+
 // Keep the global RenderThreadImpl in a TLS slot so it is impossible to access
 // incorrectly from the wrong thread.
 base::LazyInstance<base::ThreadLocalPointer<RenderThreadImpl> >
@@ -900,6 +906,9 @@ void RenderThreadImpl::EnsureWebKitInitialized() {
       !is_impl_side_painting_enabled_)
     SkGraphics::SetImageCacheByteLimit(0u);
 
+  SkGraphics::SetImageCacheSingleAllocationByteLimit(
+      kImageCacheSingleAllocationByteLimit);
+
   if (command_line.HasSwitch(switches::kMemoryMetrics)) {
     memory_observer_.reset(new MemoryObserver());
     message_loop()->AddTaskObserver(memory_observer_.get());