Add remoting and PPAPI tests to GN build
[chromium-blink-merge.git] / content / browser / android / content_startup_flags.cc
blobe5acab948e7afdab20e5bc6b3ea37e7399099955
1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "content/browser/android/content_startup_flags.h"
7 #include "base/android/build_info.h"
8 #include "base/base_switches.h"
9 #include "base/command_line.h"
10 #include "base/logging.h"
11 #include "base/strings/string_number_conversions.h"
12 #include "base/sys_info.h"
13 #include "cc/base/switches.h"
14 #include "content/public/browser/render_process_host.h"
15 #include "content/public/common/content_constants.h"
16 #include "content/public/common/content_switches.h"
17 #include "gpu/command_buffer/service/gpu_switches.h"
18 #include "ui/base/ui_base_switches.h"
19 #include "ui/native_theme/native_theme_switches.h"
21 namespace content {
23 void SetContentCommandLineFlags(bool single_process,
24 const std::string& plugin_descriptor) {
25 // May be called multiple times, to cover all possible program entry points.
26 static bool already_initialized = false;
27 if (already_initialized)
28 return;
29 already_initialized = true;
31 base::CommandLine* parsed_command_line =
32 base::CommandLine::ForCurrentProcess();
34 int command_line_renderer_limit = -1;
35 if (parsed_command_line->HasSwitch(switches::kRendererProcessLimit)) {
36 std::string limit = parsed_command_line->GetSwitchValueASCII(
37 switches::kRendererProcessLimit);
38 int value;
39 if (base::StringToInt(limit, &value)) {
40 command_line_renderer_limit = std::max(0, value);
44 if (command_line_renderer_limit > 0) {
45 int limit = std::min(command_line_renderer_limit,
46 static_cast<int>(kMaxRendererProcessCount));
47 RenderProcessHost::SetMaxRendererProcessCount(limit);
50 if (single_process || command_line_renderer_limit == 0) {
51 // Need to ensure the command line flag is consistent as a lot of chrome
52 // internal code checks this directly, but it wouldn't normally get set when
53 // we are implementing an embedded WebView.
54 parsed_command_line->AppendSwitch(switches::kSingleProcess);
57 parsed_command_line->AppendSwitch(switches::kEnableBeginFrameScheduling);
59 parsed_command_line->AppendSwitch(switches::kEnablePinch);
60 parsed_command_line->AppendSwitch(switches::kEnableOverlayFullscreenVideo);
61 parsed_command_line->AppendSwitch(switches::kEnableOverlayScrollbar);
62 parsed_command_line->AppendSwitch(switches::kValidateInputEventStream);
64 // There is no software fallback on Android, so don't limit GPU crashes.
65 parsed_command_line->AppendSwitch(switches::kDisableGpuProcessCrashLimit);
67 // On legacy low-memory devices the behavior has not been studied with regard
68 // to having an extra process with similar priority as the foreground renderer
69 // and given that the system will often be looking for a process to be killed
70 // on such systems.
71 if (base::SysInfo::IsLowEndDevice())
72 parsed_command_line->AppendSwitch(switches::kInProcessGPU);
74 // Web Notifications are only supported on Android JellyBean and beyond.
75 if (base::android::BuildInfo::GetInstance()->sdk_int() <
76 base::android::SDK_VERSION_JELLY_BEAN) {
77 parsed_command_line->AppendSwitch(switches::kDisableNotifications);
80 parsed_command_line->AppendSwitch(switches::kEnableViewportMeta);
81 parsed_command_line->AppendSwitch(
82 switches::kMainFrameResizesAreOrientationChanges);
84 // Disable anti-aliasing.
85 parsed_command_line->AppendSwitch(
86 cc::switches::kDisableCompositedAntialiasing);
88 parsed_command_line->AppendSwitch(switches::kUIPrioritizeInGpuProcess);
90 parsed_command_line->AppendSwitch(switches::kEnableDelegatedRenderer);
92 if (!plugin_descriptor.empty()) {
93 parsed_command_line->AppendSwitchNative(
94 switches::kRegisterPepperPlugins, plugin_descriptor);
97 // Disable profiler timing by default.
98 if (!parsed_command_line->HasSwitch(switches::kProfilerTiming)) {
99 parsed_command_line->AppendSwitchASCII(
100 switches::kProfilerTiming, switches::kProfilerTimingDisabledValue);
104 } // namespace content