cc: Set the mapped memory reclaim limit for the renderer compositor on Android

cc/output/output_surface.cc

 // Copyright (c) 2013 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/output/output_surface.h"
 
 #include <set>
 #include <string>
 #include <vector>
 
@@ skipping 13 matching lines @@
 #include "ui/gfx/rect.h"
 #include "ui/gfx/size.h"
 
 using std::set;
 using std::string;
 using std::vector;
 
 namespace cc {
 
 OutputSurface::OutputSurface(
-    scoped_refptr<ContextProvider> context_provider)
+    scoped_refptr<ContextProvider> context_provider,
+    size_t max_transfer_buffer_usage_bytes)
     : context_provider_(context_provider),
       has_gl_discard_backbuffer_(false),
       has_swap_buffers_complete_callback_(false),
       device_scale_factor_(-1),
       weak_ptr_factory_(this),
       max_frames_pending_(0),
       pending_swap_buffers_(0),
       needs_begin_frame_(false),
       begin_frame_pending_(false),
       client_(NULL),
       check_for_retroactive_begin_frame_pending_(false) {
+    capabilities_.max_transfer_buffer_usage_bytes =
+        max_transfer_buffer_usage_bytes;
 }
 
 OutputSurface::OutputSurface(
-    scoped_ptr<cc::SoftwareOutputDevice> software_device)
+    scoped_ptr<cc::SoftwareOutputDevice> software_device,
+    size_t max_transfer_buffer_usage_bytes)
     : software_device_(software_device.Pass()),
       has_gl_discard_backbuffer_(false),
       has_swap_buffers_complete_callback_(false),
       device_scale_factor_(-1),
       weak_ptr_factory_(this),
       max_frames_pending_(0),
       pending_swap_buffers_(0),
       needs_begin_frame_(false),
       begin_frame_pending_(false),
       client_(NULL),
       check_for_retroactive_begin_frame_pending_(false) {
+    capabilities_.max_transfer_buffer_usage_bytes =
+        max_transfer_buffer_usage_bytes;
 }
 
 OutputSurface::OutputSurface(
     scoped_refptr<ContextProvider> context_provider,
-    scoped_ptr<cc::SoftwareOutputDevice> software_device)
+    scoped_ptr<cc::SoftwareOutputDevice> software_device,
+    size_t max_transfer_buffer_usage_bytes)
     : context_provider_(context_provider),
       software_device_(software_device.Pass()),
       has_gl_discard_backbuffer_(false),
       has_swap_buffers_complete_callback_(false),
       device_scale_factor_(-1),
       weak_ptr_factory_(this),
       max_frames_pending_(0),
       pending_swap_buffers_(0),
       needs_begin_frame_(false),
       begin_frame_pending_(false),
       client_(NULL),
       check_for_retroactive_begin_frame_pending_(false) {
+    capabilities_.max_transfer_buffer_usage_bytes =
+        max_transfer_buffer_usage_bytes;
 }
 
 void OutputSurface::InitializeBeginFrameEmulation(
     base::SingleThreadTaskRunner* task_runner,
     bool throttle_frame_production,
     base::TimeDelta interval) {
   if (throttle_frame_production) {
     frame_rate_controller_.reset(
         new FrameRateController(
             DelayBasedTimeSource::Create(interval, task_runner)));
@@ skipping 312 matching lines @@
                "bytes_limit_when_visible", policy.bytes_limit_when_visible,
                "discard_backbuffer", discard_backbuffer);
   // Just ignore the memory manager when it says to set the limit to zero
   // bytes. This will happen when the memory manager thinks that the renderer
   // is not visible (which the renderer knows better).
   if (policy.bytes_limit_when_visible)
     client_->SetMemoryPolicy(policy);
   client_->SetDiscardBackBufferWhenNotVisible(discard_backbuffer);
 }
 
+const size_t OutputSurface::kDefaultMaxTransferBufferUsageBytes =
+    std::numeric_limits<size_t>::max();
+
 }  // namespace cc