Stop suspending renderer and changing purge interval to 20min

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 b397ca1c56edebe3f8d7c122278f7c2ef4e28c77..8bab389154edc5bebbbc12769bf992bc25a95ee3 100644
--- a/content/renderer/render_thread_impl.cc
+++ b/content/renderer/render_thread_impl.cc
@@ -2269,10 +2269,8 @@ void RenderThreadImpl::OnMemoryStateChange(base::MemoryState state) {
   }
   switch (state) {
     case base::MemoryState::NORMAL:
-      ResumeRenderer();
       break;
     case base::MemoryState::THROTTLED:
-      ResumeRenderer();
       // TODO(bashi): Figure out what kind of strategy is suitable on
       // THROTTLED state. crbug.com/674815
 #if defined(OS_ANDROID)
@@ -2284,7 +2282,9 @@ void RenderThreadImpl::OnMemoryStateChange(base::MemoryState state) {
       ReleaseFreeMemory();
       break;
     case base::MemoryState::SUSPENDED:
-      SuspendRenderer();
+      OnTrimMemoryImmediately();
+      ReleaseFreeMemory();
+      ClearMemory();
       break;
     case base::MemoryState::UNKNOWN:
       NOTREACHED();
@@ -2292,25 +2292,6 @@ void RenderThreadImpl::OnMemoryStateChange(base::MemoryState state) {
   }
 }
 
-void RenderThreadImpl::SuspendRenderer() {
-  DCHECK(IsMainThread());
-  OnTrimMemoryImmediately();
-  ReleaseFreeMemory();
-  ClearMemory();
-  // TODO(bashi): Enable the tab suspension when MemoryCoordinator is enabled.
-  if (!base::FeatureList::IsEnabled(features::kMemoryCoordinator) &&
-      base::FeatureList::IsEnabled(features::kPurgeAndSuspend))
-    renderer_scheduler_->SuspendRenderer();
-}
-
-void RenderThreadImpl::ResumeRenderer() {
-  DCHECK(IsMainThread());
-  // TODO(bashi): Enable the tab suspension when MemoryCoordinator is enabled.
-  if (!base::FeatureList::IsEnabled(features::kMemoryCoordinator) &&
-      base::FeatureList::IsEnabled(features::kPurgeAndSuspend))
-    renderer_scheduler_->ResumeRenderer();
-}
-
 void RenderThreadImpl::ClearMemory() {
   // Do not call into blink if it is not initialized.
   if (blink_platform_impl_) {