Global GPU memory manager for android webview

android_webview/browser/shared_renderer_state.cc

Index: android_webview/browser/shared_renderer_state.cc
diff --git a/android_webview/browser/shared_renderer_state.cc b/android_webview/browser/shared_renderer_state.cc
index ffc91ea64767093c3f448cca631ee1b775e64fa8..a4e38734f0e49f5b80940b3554ed2e9d15025f23 100644
--- a/android_webview/browser/shared_renderer_state.cc
+++ b/android_webview/browser/shared_renderer_state.cc
@@ -21,6 +21,7 @@ SharedRendererState::SharedRendererState(
       client_on_ui_(client),
       weak_factory_on_ui_thread_(this),
       ui_thread_weak_ptr_(weak_factory_on_ui_thread_.GetWeakPtr()),
+      memory_policy_dirty_(false),
       hardware_initialized_(false) {
   DCHECK(ui_loop_->BelongsToCurrentThread());
   DCHECK(client_on_ui_);
@@ -59,6 +60,21 @@ content::SynchronousCompositor* SharedRendererState::GetCompositor() {
   return compositor_;
 }
 
+void SharedRendererState::SetMemoryPolicy(
+    const content::SynchronousCompositorMemoryPolicy new_policy) {
+  base::AutoLock lock(lock_);
+  if (memory_policy_ != new_policy) {
+    memory_policy_ = new_policy;
+    memory_policy_dirty_ = true;
+  }
+}
+
+content::SynchronousCompositorMemoryPolicy
+SharedRendererState::GetMemoryPolicy() const {
+  base::AutoLock lock(lock_);
+  return memory_policy_;
+}
+
 void SharedRendererState::SetDrawGLInput(const DrawGLInput& input) {
   base::AutoLock lock(lock_);
   draw_gl_input_ = input;
@@ -102,4 +118,14 @@ bool SharedRendererState::IsHardwareInitialized() const {
   return hardware_initialized_;
 }
 
+void SharedRendererState::SetMemoryPolicyDirty(bool is_dirty) {
+  base::AutoLock lock(lock_);
+  memory_policy_dirty_ = is_dirty;
+}
+
+bool SharedRendererState::IsMemoryPolicyDirty() const {
+  base::AutoLock lock(lock_);
+  return memory_policy_dirty_;
+}
+
 }  // namespace android_webview