Index: chrome/browser/chrome_content_browser_client.cc |
diff --git a/chrome/browser/chrome_content_browser_client.cc b/chrome/browser/chrome_content_browser_client.cc |
index e1358873a5259d609c310974225a6475060e0ad0..093b8196fc25dc504163be63e7495bebda7b01bf 100644 |
--- a/chrome/browser/chrome_content_browser_client.cc |
+++ b/chrome/browser/chrome_content_browser_client.cc |
@@ -2033,6 +2033,85 @@ ChromeContentBrowserClient::GetTemporaryStorageEvictionPolicy( |
: nullptr; |
} |
+namespace { |
+#define UMA_HISTOGRAM_MBYTES(name, sample) \ |
+ UMA_HISTOGRAM_CUSTOM_COUNTS( \ |
+ (name), static_cast<int>((sample) / kMBytes), \ |
+ 1, 10 * 1024 * 1024 /* 10TB */, 100) |
+ |
+storage::TemporaryStorageConfiguration CalculateTemporaryStorageConfig( |
+ const base::FilePath& profile_path, bool is_incognito) { |
+ const int64_t kMBytes = 1024 * 1024; |
+ |
+ if (is_incognito) { |
+ // TODO(michaeln): Base the poolsize on SysInfo::AmountOfPhysicalMemory(). |
+ storage::TemporaryStorageConfiguration config; |
+ config.pool_size = 300 * kMBytes; |
+ config.must_remain_available = 0; |
+ config.per_host_portion = 3; |
+ config.refresh_interval = base::TimeDelta::Max(); |
+ return config; |
+ } |
+ |
+ // The fraction of the device's storage the browser is willing to |
+ // use for temporary storage, this is applied after adjusting the |
+ // total to take os_accomodation into account. |
+ const double kTemporaryPoolSizeRatio = 1.0 / 3.0; // 33% |
+ |
+ // Determines the portion of the temp pool that can be |
+ // utilized by a single host (ie. 5 for 20%). |
+ const int kPerHostTemporaryPortion = 5; |
+ |
+ // os_accomodation is an estimate of how much storage is needed for |
+ // the os and essential application code outside of the browser. |
+#if defined(OS_ANDROID) |
+ uint64_t os_accomodation = 1000 * kMBytes; |
+#elif defined(OS_CHROMEOS) |
+ uint64_t os_accomodation = 1000 * kMBytes; |
+#elif defined(OS_WIN) || defined(OS_LINUX) || defined(OS_MACOSX) |
+ uint64_t os_accomodation = 10000 * kMBytes; |
+#else |
+#error "Port: Need to define os_accomodation for unknown os." |
+#endif |
+ |
+ int64_t pool_size = 0; |
+ uint64_t available, total; |
+ if (storage::QuotaManager::GetVolumeInfo(profile_path, &available, &total)) { |
+ // If our hardcoded os_accomodation is too large for the volume size, define |
+ // the value as a large fraction of the total volume size instead. |
+ os_accomodation = std::min(os_accomodation, |
+ static_cast<uint64_t>(total * 0.8)); |
+ |
+ int64_t adjusted_total = total - os_accomodation; |
+ pool_size = static_cast<int64_t>(adjusted_total * kTemporaryPoolSizeRatio); |
+ UMA_HISTOGRAM_MBYTES("Quota.GlobalTemporaryPoolSize", pool_size); |
+ } |
+ |
+ storage::TemporaryStorageConfiguration config; |
+ config.pool_size = pool_size; |
+ config.must_remain_available = pool_size / kPerHostTemporaryPortion; |
+ config.per_host_portion = kPerHostTemporaryPortion; |
+ config.refresh_interval = base::TimeDelta::FromSeconds(60); |
+ return config; |
+} |
+ |
+void GetTemporaryStorageConfiguration( |
+ const base::FilePath& profile_path, bool is_incognito, |
+ storage::TemporaryStorageConfigurationCallback callback) { |
kinuko
2016/07/27 14:23:25
nit: const ref
|
+ content::BrowserThread::PostTaskAndReplyWithResult( |
kinuko
2016/07/27 14:23:25
Why this one needs to be called from the UI thread
|
+ content::BrowserThread::FILE, |
+ FROM_HERE, |
+ base::Bind(&CalculateTemporaryStorageConfig, profile_path, is_incognito), |
+ callback); |
+} |
+} // namespace |
+ |
+storage::GetTemporaryStorageConfigurationFunc |
+ChromeContentBrowserClient::GetTemporaryStorageConfigurationFunction( |
+ content::BrowserContext* context) { |
+ return base::Bind(&GetTemporaryStorageConfiguration); |
+} |
+ |
void ChromeContentBrowserClient::AllowCertificateError( |
content::WebContents* web_contents, |
int cert_error, |